Strengths and Weaknesses of Waterfall Approach for Software Development

One of the most famous and widely used approaches for software development is the waterfall model. Waterfall approach is an old technique that has been in use for quite some time, but in modern times agile approach is gaining prominence.

Waterfall approach, as is evident from the name, refers to a systematic approach where one step comes after the other. It cannot go the other way round. The process works like the waterfall effect that flows in one direction, which is from up to down.

In this process the life cycle of the development process is predetermined. All the steps are defined before the start of the project. The approach is predictive, where the team is well aware of the order of each step and therefore works accordingly. It starts from the requirement analysis, the design phase and then proceeds on to the implementation, testing and the maintenance phases.

The waterfall approach can be quite beneficial for those who are quite clear on their requirements. A planned approach works for them because they want fixed processes and budget. Where fixed processes are beneficial, at the same time they can be inconvenient at times. In cases where the client is not clear on the requirements and finds in the middle of the project that he/she wants to change course, this approach can prove to be quite problematic.

Another point of the waterfall approach is that the requirement analysis and design of architectural structure can consume a lot of time. Extensive research is done initially as the next phases depend completely on the planning strategy. However, the good thing is that everything is thoroughly worked out and each aspect is studied beforehand. The developers in such cases know what is expected of them.

A waterfall approach works in a systematic order, with one step following the other and the testing phase comes in the end. If there are any big problems encountered in the testing phase, it means a long process to make the amends. The process can consume extra time and money.

We cannot conclude that one approach is better than the other, as every method would have its own strengths and weaknesses. The determination of success for each method depends on how it is being used and whether the approach suits the scope of work being undertaken. While one approach may be suitable for a particular project, it might become totally useless under different circumstances. For example, some believe that agile methods are not well suited for offshore development, as they require a closer contact and communication that is not possible in an offshore project.

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History and Components of a Modern Mainframe Computer

Mainframe computers are critical for some of the largest corporations in the world. Each mainframe has more than one modern processor, RAM ranging from a few megabytes to multiple-score gigabytes, and disk space and other storage beyond anything on a microcomputer. A mainframe can control multiple tasks and serve thousands of users every second without downtime.

The chief difference between mainframes and other computing systems is the level of processing that takes place. Mainframes are also different in terms of data bandwidth, organization, reliability, and control. Big organizations-banking, healthcare, insurance, and telecom companies, etc.-use mainframes for processing critical commercial data.

In this article, we discuss the evolution of mainframe computers and their components.

History of mainframe computers

IBM developed a critical part of mainframe computing, the Automatic Sequenced Controlled Calculator (ASCC) for arithmetic operations, in 1944. From the late 1950s through the 1970s, several companies manufactured mainframes: IBM, Burroughs, RCA, NCR, General Electric, and Sperry Rand, for example. Since then, System / 390 by IBM is the only kind of mainframe in use. It evolved from IBM's System / 360 in 1960.

An Early mainframe occupied a huge space. New technologies have drastically reduced the size and cost of the hardware. A current-generation mainframe can fit in a small closet.

Components of a modern mainframe computer

Like a PC, a mainframe has many components for processing data: operating system, motherboard or main board, processor, controllers, storage devices, and channels.

• Motherboard: The motherboard of a mainframe computer consists of a printed circuit that allows CPU, RAM, and other hardware components to function together through a concept called "Bus architecture". The motherboard has device slots for input cards and cable interfaces for various external devices. Where PC motherboards use 32- or 64-bit buses, mainframes use 128-bit buses. General instructions regarding the internal architecture help the motherboard connect to the other devices and retrieve data using binary computation.

• Processor: A CPU acts as the central processing point in mainframe architecture and includes an Arithmetic Logic Unit (ALU) for performing arithmetic calculations. It also works as a controller for the bus architecture and handles traffic and data requests. The processing power of mainframes is much higher compared to PCs, so that they can handle huge amounts of data.

• Storage devices: Storage devices are for entering, retrieving, storing, and recording data. Many are external devices, such as hard drives, tape drives, and punch card readers, all connected to terminals of the mainframe and controlled by the CPU. Their capacity for data storage can be hundred or even thousands of times that of a PC.

• Communication controllers: Communication controllers allow remote computers to access a mainframe. With the help of networks, LAN or WAN, communication controllers establish connections with various devices, perform data transmission over communication channels, and keep track of users at terminals.

• Channels: The "channels" are the cables used to connect the CPU and the main storage to other parts of the system and make sure that data is moved in a systematic way without losing its integrity.

Modern mainframes have advanced features such as expanded service management capabilities, cross-platform integration facilities, etc. And so are suitable for critical data center operations. The cost of maintaining modern mainframes is much less compared to older models.

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Why Computer Hardware Is Important

In this day and age, it is hard to deny the influence of technology in our lives. We live in an era where pretty much is automated and computerized. And amidst all the technological advancement that humankind has achieved, one important device has been created that will only sure to become more relevant to our lives as technology progresses, the computer. No one can deny that computers are now an essential part of our lives, the same way a cell phone and television does. It is safe to say that in this day and age, having no computer would be an inconvenience. Which is why it is important that we know the way our computer works so that we would be aware of the things that we should do in case it stops working. The hardware of the computer is considered to be the most important because without it, it will simply not work.

Simply put if you know how to handle the hardware of a computer and know each of their function for the unit, then you can easily determine what the problem is in case the unit stops functioning. In order to be familiar with basic computer troubleshooting, then you also need to be familiar with computer hardware. A good example of this is the memory of the computer (RAM). All programs and applications that are ran in a computer needs memory. Without RAM it simply will not function. Aside from that, even if you have a RAM but it does have the specifications to keep up with the programs that are being run, then the operation would have slowed down to a crawl. So when it comes to computer hardware, you have to make sure that it is not obsolete, so you need to upgrade depending on what sort of program that you are usually using.

When handling computer hardware, you have to keep in mind some safety measures so you can manipulate the unit safely. Before opening any computer cases, you have to make sure that the unit is unplugged or you might risk electrocution or shocks. While checking your hardware components, always check for damaged parts because that is most likely the one that is causing problems. When inserting components and parts, you have to remember that if it does not fit, then most likely you are inserting it on the wrong slot. If it does not fit, then do not force it or you will risk breaking the component. Before touching any parts inside the unit, make sure that you discharge yourself first by through a grounded metal object or you can use an anti-static wrist strap or mat which is sold in stores for cheap.

By knowing and analyzing every computer hardware part you will know about its importance and if it ever breaks down then you can perform the proper troubleshooting steps. Every hardware component is important for the computer's operation. The performance of your computer largely depends on how good your hardware is, so be sure that they are always in good working condition.

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How To Select The Best Credit Repair Software

Credit repair software tools are available to assist both credit repair agencies and/or individual consumers with credit repair. Ideally, such repair software is user-friendly and allows the user to point and click to a series of questions, and subsequent options, to engage in the process of credit repair by challenging credit reports from the major credit bureaus.

There are many software companies to choose from. Some claim to be the “best” while others claim to have the “absolute best credit repair software on the planet.” They all provide a unique service with even more unique and distinct features. The issue that you need to consider most when selecting credit repair software is which feature set will benefit you the most. So let’s take a look at steps that will help you select the proper software package for you.

1. Try to find a product with good technical support. A proper credit repair software program behaves like other expert software. This means 24/7 technical assistance, recurring software updates, sufficient help/manual documentation, etc.

2. Your credit repair software must adhere to your personal needs. A lot of these products have numerous add-ons, bonuses and other things which you would be paying for, but may not need. For example, some vendors cater to credit professionals, so they have functionalities on client management, etc, which you don’t need as a home user. On the other hand, you might need financial tips or the automatic reminder system.

3. Keep in mind, that you may have to write letters and that you are a unique customer with a unique address, account number, social security number, and story behind your dispute, which will have to be inside the letter. This single activity will take you many hours to complete. Try to find a software that already has pre-loaded dispute letters. Then once the software has automatically extracted those disputes from the above mentioned credit report providers, this software will in turn suggest the appropriate dispute letter automatically within just a few seconds. Just imagine the hours, and amount of money you can save by just this feature alone. Most people have to hire or outsource this kind of work because their software does not do it automatically. So not only will you save time but you will also save money by not having to outsource the work.

4. Rank available packages through analyzing pros/cons/cost. Once you have a short list of possible software packages, try to rank them by analyzing the pros and cons of each, as well as comparing the cost to your budget.

5. See if there is a trial period for the software that you select. Now that you have selected which package you feel would be the best fit for you, make sure that there is a money back guarantee so that you can return it if you are not satisfied with the performance.

The more you work on your credit repair, the more that it will demand of your time. This is why it is extremely important to choose the best credit repair software available to help you automate the process as much as possible. Choosing the right software package for your needs can save you lots of time. Working with automated software can be compared to driving a car to a distant destination, versus walking there. One way will be significantly faster than the other. Repairing your credit will be much more difficult if you are not using an organized system.

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3 Main Causes of Kernel Errors

A kernel error is a failure in some code critical to Windows. If you have ever encountered a Blue Screen of Death (BSoD), then you have seen a kernel error. Windows is actually several layers of programs made to work together. You can think of Windows as if it were your body, with many pieces working together to make a whole, and, like your body, some parts of Windows are more important than others.

The kernel is the most important part of Windows. It includes critical programs to handle things like memory management and device drivers for the graphics card. These programs are like a body's heart and brain. If something in the kernel crashes, it will often cause all of Windows to crash.

Software Failures

Because there are a lot of programs in the kernel, there are many opportunities for bugs to appear. Although Microsoft does extensive testing to get rid of bugs, their testing facilities can not run through all the combinations that billions of computers use with Windows when some bugs get through.

However, many of the kernel failures are in device drivers written by companies that make hardware, not by Microsoft. Your graphics card, for example, probably uses a driver created by the video company. These companies often work with Microsoft to test their drivers, but having companies working together adds an additional layer of complexity.

Hardware Failures

A hardware failure can cause a kernel error. If your graphics card fails, it can send bad data to the graphics device driver, which then crashes, creating a kernel error. If your hard disk fails, it can corrupt files used by Windows and cause the programs that use those files to crash.

Registry Failures

Registry failures can cause kernel errors. The registry is a database of information that Windows uses to store information about programs. If the registry gets corrupt, the programs that use it can cause kernel errors.

Registry corruption can come from either software or hardware failures. Software corruption can come from a bug in one of the programs that writes information out to the registry. Or if you turn off your computer without doing a complete shutdown, the registry files may not get completely written to the disk. Hardware corruption can happen when the hard disk fails causing parts of the registry files to be lost. It's a good idea to do some research on kernel errors and other registry issues.

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The Advantages of Having Personal Productivity Software

Personal productivity software is an application that no business should be without. This is because of the simple fact that this piece of software makes a great contribution when it comes to ensuring productivity in the workplace. But if you are not too convinced about the importance of purchasing personal productivity software just yet, well, this is actually normal. A lot of business men do become wary when presented with the notion of purchasing such software because computer software is a bit pricey in the market right now. However, when presented with the many benefits businesses enjoy with these software applications, the activity of convincing businessmen becomes very, very easy to do.

So, why exactly do you need personal productivity software in running your business? First of all, this piece of software can give any type and size business the professional touch it needs. The software comes with applications and programs that make it very easy for you to produce professional looking letterheads, marketing reports, brochures, mailing campaigns, and the like. Even the simple act of developing professional looking paychecks is easily done with the use of such software as well. And this is just one of the minor benefits that come with such software!

When you get the basic package, you actually get a word processor, a spreadsheet application, presentation software, and the like. For a more cost-efficient option, you could consider getting one of those suites that contain a number of these tools. This way, you are sure to get more value for your money. Some examples of these suites include Microsoft Office, Sun Staroffice 8, Microsoft Works, or Corel WordPerfect Office. An interesting fact about Microsoft Works is that it actually comes free with personal computers. Aside from these suites, you can also choose to get supplementary software packages that can make your whole life easier.

One of the popular software packages includes QuickBooks. This choice is popular because it is known to be very efficient in handling and managing inventory and business finances, such as payroll and benefits packages. Now, with all these abilities, you have to be sure to allot a hefty budget for your suite of tool and the additional applications and programs you would be getting. The typical price for suites and the individual applications range from a hundred to five hundred dollars. So, if your PC is meant for more than just doing the regular email and the basics on word processing, then you should consider this option thoroughly.

You may also be worried about the hidden and recurring fees that might come with having personal productivity software installed in your system. Yes, they do come with long term costs, but these are just minimal when you compare them to the benefits you would come to enjoy with the software. An upgrade would occasionally be needed, especially after a few years or so with your own application suite. Plus, your business should be growing in a few years, right? Thus, it would make much sense to avail of this upgrade, to foster improvement for your company in the business setting. Do not worry too much about upgrade expenses because they would definitely be lower than that of the original purchase.

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The Leading Gaming PC Cases Are Essential To Help Protect and Power Your Extreme Gaming Hardware

Gaming PC Cases come in a variety of shapes and sizes. From rack mount to ATX tower casing, you can find one that best suits your gaming needs. Many games are played by as many 15-24 users and such games require the power of hardware to control both the graphics and many millions of instructions to the CPU with great speed. Custom Gaming PCs are the current rave with game lovers who strive for a better playing experience, adding more hardware.

With a large variety of casing, it is confusing to choose the right one. A good PC Case for gaming is one that has ample space to add more fans and USB ports. Heating is the main problem that slows down the PC and in some instances can damage it. Looks also matter a lot, an attractive and next-gen look, makes for a better playing experience.

All gaming PC cases come with microphones and headphone sockets, while the more advanced ones have fan controllers. New game players can do with two fans while some want to get additional fans to keep the PC from heating up. More advanced users utilize much of CPU power, and need more cooling.

When you are ready to buy a case, first look at the price options, compare various makes and models and see where you can save money and get the same functionality. The most accommodating case is considered the best. It will allow for more fans, and offers ample space for advanced graphic cards. Check to see, if the case can allow more than 4 fans and has at least two USB ports.

Some cases come with 4 USB ports and have space for up to six fans. If you are an advanced level player, you may want to consider one that has a fan speed controller, so you can monitor the cooling easily. Further up the ladder, there are cases that come with space for as many as 12 hard drives. Such a case, can take any kind of mother board you want to use.

The ATX are more popular these days and are like the industry standard. ATX form-factor allows for better air passage so all components can stay cool. It uses less cable, generates less heat and is more affordable. The expansion slots are easily accessible making it easy for users to add more graphic cards.

Looks wise, a clear panel looks attractive and spices up the computer using LEDs. There are also cases with bright graphics, and a modish look to add to the adventure. It all depends on your game choice, if you like a good thrill considering Gaming PC Cases that will add excitement to game time.

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Can You Upgrade a Maya Student Version to a Full Commercial Edition?

The Maya 3D software from Autodesk has long-been a staple tool for the production of the highest level of Visual Effects and animation for Oscar-winning blockbuster movies, TV shows and video games.

Students who are looking to secure themselves commercial work upon graduation these days typically need to show some familiarity with this software…ideally the more the better, since most companies these days use Maya as their main software package, and many have it deeply integrated into their own proprietary pipelines and tools – meaning that the situation is unlikely to change for the foreseeable future.

Students who take the opportunity currently afforded them of purchasing a copy of the Maya Student Edition do well since they are able to improve their skillset on the full Unlimited version of the software, and do so at a huge discount (the student edition typically retails for around $350).

However, a number of students wonder if they also qualify for a discount later on if they wish to upgrade to a full commercial edition of the Maya software. Jumping from graduation to commercial work can be a challenge, so any way to alleviate the expense of setting yourself up as a freelancer is more than welcome…but can it actually be done?

Upgrade Maya Student Edition To Commercial License?

Yes, you’ll be pleased to know that there is a program available where current owners of a Maya student license are able to upgrade to the full commercial license at a massive discount of around 60%…in other words, a full commercial license of Maya would typically cost around $3,900, but student license holders are able to upgrade their current license to a full commercial one for just $1,300.

This is huge, and can be a real lifesaver for folks who want to go it alone and start their own freelance business but are wary of the huge costs involved.

In fact, if you’re smart about it and don’t mind a little negotiation, the license could even be purchased with a down-payment from your first client before you even begin working on their project.

Such a huge discount on the student to commercial upgrade is a great incentive for students, especially at this economic time, and it also makes purchasing the Maya student edition in the first place a sensible option, since you get access to these kinds of discounted upgrades.

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Microsoft Access and Medical Private Practice

For physicians medical office software installation could be nerve-wracking, not because they want to avoid electronic medical records, but because the majority of the software packages are too complicated and very expensive for them.

The good news is, you can make your medical office software system uncomplicated and relatively easily maintained with one of the popular database software packages being used today, the Microsoft Access.

Microsoft Access is a relational database system developed by Microsoft. Microsoft Access is one of the easiest and most flexible database management solutions for the medical office and provides data validation and user-friendly features on data entry screens. It has been the dominant lightweight database system used for the last decade and has continued to grow with additional features. Access is a productive and very customizable solution for small medical practices and comes with MS Office (or standalone). However the next step up in a medical environment would be MS SQL Server but small medical offices usually only has need of a lightweight application and the added functionality with MS SQL Server, comes with a heavy price.

With this relational database system you can be up and running in one hour, which means that it is not necessary for your practice to spend lot of money to purchase, configure, update and maintain an SQL Server solution. Microsoft Access includes without any additional costs, points of integration with popular software packages including: Microsoft Word, Excel & Outlook and provides a free runtime version.

MS Access network setup is very easy. A medical office with 2-8 users is up and running within ten minutes, while installation and application maintenance is extremely simple. Virtually any user with a basic knowledge of Microsoft Access can handle all maintenance procedures without the assistance of IT personnel.

Keep also in mind that SQL Server is the flagship database system from Microsoft and it is suitable for use in environments with up to thousands of users. Microsoft Access can handle 2- 8 users and it is limited to 2 GB data storage.

We are convinced that the best way for private medical offices around the world to enter the world of electronic medical records is to purchase a professionally designed but inexpensive and affordable Microsoft Access based software solution.

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Review of Takeoff Software for Estimating Construction

So often people want to rush out and buy estimating software or takeoff software without first trying to define their internal estimating processes. Once the estimating process is clearly defined, then and only then, can you actually try to compartmentalize the process into segments. So often the segment is really quantity takeoff. Takeoff of what you may wonder? That is like the million dollar question. This article will speak about the takeoff software process which usually associated with estimating software processes. The takeoff software process can often be takeoff of materials for some folks, and to many others, the takeoff process of scoped systems to create estimates or proposals. This review or comparison will not try to explain the estimating software process but bring to you valid quantity takeoff thinking among estimators in a quest to find which product thinks the way you do. These are the opinions of the author.

I will review and compare 3 types of measuring takeoff products:

It is extremely important to note that these are ONLY measuring takeoff programs, NOT estimating programs.

1) Planswift

2) On-Screen Takeoff by On Center Software

3) Electronic Plan Takeoff Software

All three products have their strengths, however, Planswift and On-Screen Takeoff are stand-alone products and Electronic Plan Takeoff is actually dynamically integrated live with Microsoft Excel which means that it starts and finishes and saves in Excel. They all integrate with Excel, however, you will have to evaluate your thought process and decide which of the three products work-flow think along the lines of how you think. For instance, what is the first thing you do when you get a set of plans? Typically, you start flipping through the plans to see how involved the project is and what type of work do you see that is attractive for your company. Then when you decide you are going to estimate this job, more often than not, you start like 80% of companies in the world of construction estimating by opening your takeoff master template Excel spreadsheet. You rename your spreadsheet to the new job or project and off you go performing takeoff. This is where the differences are:

In Planswift, you decide what drawing you are on and then you perform the measuring of an item you want to perform takeoff on the plan. Unfortunately, that is not exactly how an estimator thinks. Planswift does give you the ability to add a type of takeoff item on the fly by naming it and then perform takeoff of it; somewhat of a very manual and slow process. They also provide you with the ability of applying a type of assembly to a takeoff to aggregate quantities of items in that assembly. Not quite the way an estimator thinks. It forces you to jump to different screens which slows down the process. Typically, the main start of anyone’s takeoff process, or some may think of it as a checklist approach, is to start with your own spreadsheet of YOUR items. Those items can be material items or can be scoped assembly system items. Either way, by starting with a master spreadsheet say in Excel for example, many estimators think of this as a risk reducer, not to forget things they normally takeoff. Being that Planswift is a stand-alone takeoff program, it typically saves your takeoff images in Planswift instead of your estimate in Excel, if Excel is your estimating system. If you are using Excel, you have to manually save your takeoff measurement numbers in Excel and your takeoff images in Planswift or elsewhere, just not in Excel where the takeoff quantity resides. Again, if you want to integrate with Excel, they force you to either export or import takeoff items from Excel rather than being dynamically integrated live to Excel. They do however have the ability to dump the measured quantity from Planswift into any Excel spreadsheet or Word document. The main purpose or the primary focus of this program is measuring, therefore it does a good job at that function. Most of the other functions require you to jump around different screens, and essentially, you loose your thought of where you are. There are some features that attempt to address the estimating process, however, there are many features that are missing for Planswift to be a full fledged estimating system; it is NOT one. Planswift does integrate with the leading estimating system Sage Timberline, but the integration is weak. Since Timberline’s power is in assembly takeoff and where most estimators reside in Timberline, Planswift does not give the estimator the ability to add quantities of miscellaneous Timberline items or one-time items that need to added on the fly to an assembly while they are in Planswift at the Timberline interview screen, and while being in the measuring phase. Planswift does allow the deleting of assembly generated items as well adjusting assembly item quantities in a different screen. Again, to perform all that, you are forced to jump around to different screens. No assembly is ever perfect in any estimating system since project conditions are always uniquely different, therefore, having to add items to an assembly is extremely important. That adding of items and associated quantities is an absolute requirement any estimator typically has to do during the takeoff measuring and estimating phase; something that Planswift struggles with as related to Timberline Estimating. Planswift does allow the direct send of measurements to Timberline Estimating items and assemblies while in Timberline Estimating, just as you would do with the old digitizer measuring boards. Training, support and maintenance are extra for Planswift. On-Screen Takeoff by On Center Software, and Planswift charge their annual maintenance and support fees per license (mandatory) which costs the end user more expense annually especially if a customer has more than one license.

On Center’s On-Screen Takeoff is the Grand Daddy of software takeoff products due to the fact that it has been around the longest. On Center recognizes that On-Screen Takeoff is primarily a measuring program. That is why they have a separate estimating program named QuickBid for those who want an estimating program. On Center does not try to trick you into thinking it is an estimating system. In On-Screen Takeoff, you also decide what drawing you are on and then you perform the measuring of the plan. BUT, before you start, you can load a master set styles of things you typically takeoff or measure from your own library. That process seems to be less complicated than that of Planswift. On-Screen Takeoff does give you the ability to add a type of takeoff item on the fly by naming it and then performing takeoff of it; somewhat of a manual and slow process as well. The program does come with many features that are primarily focused on simple measuring to advanced measuring issues all with attention to detail regarding easy navigation for the takeoff process. On Center does a very good job at that. However, there seems to be a disconnect of thought from an Excel spreadsheet items you may use for estimating and/or proposals. The integration to Microsoft Excel is not a dynamic live link, more like an after thought in my opinion. Yes, you can establish links to named styles to cells or ranges in Excel, somewhat rigid. But the question you will have to ask yourself, which will happen more often than not is: What do you do when you need to add things on the fly during takeoff and in an Excel spreadsheet? Again there will be manual associations you will have to establish with Excel which is another major slowdown. You have to manually save your takeoff measurement numbers in Excel and your takeoff images in On-Screen or anywhere you decide, except the takeoff images will not be saved in Excel where the takeoff quantity resides. This type of situation arises when a takeoff program is a stand-alone program. On Center’s On-Screen Takeoff has the best integration with the most widely used estimating system in the USA: Sage Timberline Estimating. It basically mimics the same interview process as you would do with the old digitizer measuring boards. By working directly with Timberline, On-Screen Takeoff allows the estimator to perform takeoff of a Timberline variable question and immediately returns back directly with the takeoff quantity in a Timberline assembly at the variable question. By virtue of this process, On-Screen Takeoff allows the estimator to continue his/her Timberline interview process in Sage Timberline Estimating by reviewing/massaging generated quantities, or adding items in a Timberline assembly as the estimator see fit. That workflow process gives full control to the estimator, good job On Center. Training, support and maintenance are extra for On-Screen Takeoff. On-Screen Takeoff by On Center Software, and Planswift charge their annual maintenance and support fees per license (mandatory) which costs the end user more expense annually especially if a customer has more than one license.

This next system is ONLY if your estimating system or proposal generator is Microsoft Excel. Electronic Plan Takeoff Software is a plug-in for Excel. You start your spreadsheet, you perform the measuring takeoff, you may even add some more items on the fly all the while you are in the measuring phase in the Electronic Plan Takeoff program. When you are done, even if you added items on the fly, they automatically appear in your Excel spreadsheet. Excel is the control of everything. Your project is started in Excel, your takeoff is saved in Excel, the estimate or proposal is/can be produced there in Excel; one program, one place. Many takeoff programs interface with Excel somehow, but only Electronic Plan Takeoff is live linked with Excel, meaning all your Excel spreadsheet descriptions appear in the measuring takeoff program so you always know where you are in Excel. That is a huge difference in comparison to Planswift and On-Screen Takeoff. You can even change a description of a takeoff item in Electronic Plan Takeoff and it is automatically changed live, in your Excel spreadsheet. When you talk about the estimating and takeoff phase you must keep processes cleans and easy and this program does just that. There is no getting lost in this program. Just like the other reviewed programs above, the central focus of this program is takeoff measuring, and it does a GREAT job at that. The navigation within the program is really simple and easy. It is not made to work with other estimating systems, but there is a version that allows the direct send of measurements to any Microsoft Windows program awaiting a keyboard entry, just as you would do with digitizer measuring boards. There is also a version that works with digitizer boards as well. If you use Microsoft Excel for estimating, or takeoffs, or proposals, then this Electronic Plan Takeoff program for Excel would be your best choice. The integration to Excel is unmatched in Electronic Plan Takeoff compared to Planswift or On-Screen Takeoff. What is quite different in Electronic Plan Takeoff is that training, support, and maintenance are INCLUDED with a purchase, whereas training, support and maintenance are extra for Planswift and On-Screen Takeoff. Moreover, annual support and maintenance for Electronic Plan Takeoff year two and beyond is a low fee per company per year, instead of per license. On-Screen Takeoff by On Center Software, and Planswift charge their annual maintenance and support fees per license (mandatory) which costs the end user more expense annually especially if a customer has more than one license.

Microsoft and Excel are registered trademarks of Microsoft Corporation. Planswift is the registered trademark of Tech Unlimited, Inc. On-Screen Takeoff and QuickBid are registered trademarks of On Center Software, Inc. Sage Timberline Office, Sage Timberline Estimating are registered trademarks of Sage Software, Inc.

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