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Today I found an interesting article that compares mechanical adding machine with software calculators. I definitly recommend it for all of you adding machine users, who are not sure if a software calculator is the way to go, especially in finanical terms.

" Conclusion:

In my opinion, mechanical paper tape adding machines are a costly, outdated addiction. Migrating the adding machine functionality to electronic adding machine software, like DeskCalc, makes excellent business sense both from cost and environmental perspectives. I think it's time the mechanical paper tape dinosaurs faded into the same sunset where pencil and paper spreadsheets disappeared almost 30 years ago."


The full article can be found here:


The mechanical paper setting on corporate desks next to high priced personal computers are not normally thought of as an inordinate expense. In fact, it is my experience that those mechanical are considered by companies to be a necessity. Nothing, in my opinion, could be further from the truth on either count. Those antiquated, mechanical dinosaurs can actually be a and to which there is an inexpensive alternative. https://weedy.com/head-shops/florida/winter-park/climax-smoke-shop55a66c8326c35




My hypothesis is that mechanical paper , or printing calculators, are no longer viable office equipment when they are sitting next to personal computers. Pencil and paper spreadsheets pretty much disappeared shortly after the advent of the personal computer. This migration of spreadsheets to software was seen as a sensible move since electronic spreadsheets provided much more functionality in a easy to use format.


A similar migration, in my opinion, is long overdue for mechanical paper . With the availability of feature rich machine programs like myOwn10-Key, it no longer makes sense to continue using the costly, feature deprived mechanical devices. The electronic , like electronic spreadsheets, offer much more functionality in a easy to use format. Electronic tapes also contribute significantly to the bottom line when compared to antiquated printing calculators.


Analysis Factors


To test my hypothesis, I did an ROI analysis of converting to myOwn10-Key for United Parcel Service. Why choose Brown? Because the UPS web site displays detailed technical information for the company. The number I needed was a count of personal computers in use at UPS. As of Sunday, August 5, 2007, the number of LAN Workstations in use at UPS was listed on their web site as 149,000. That was the starting point for my calculations.


Here are the other assumptions I needed to complete the analysis. I tried to be on the conservative side for all of these factors.


* Percent of personal computers with a printing calculator sitting beside it 30%.


* Price of paper rolls  $8.48 / 12 pk.


* How often a new paper roll is installed on each printing calculator every 2 months (6 / yr).


* Price of printer cartridges  $3.00 ea.


* How many printer cartridges are consumed on each printing calculator  1 / yr.


* Percent of printing calculators replaced per year  10%


The cost of purchasing mechanical paper for new employees is not considered in this analysis. Also not considered in the additional cost of the power required to operate the mechanical .


Annual Cost Of The Dinosaurs


For this analysis, I created an ROI analysis etape with myOwn10-Key. You can view the entire analysis etape in another browser window or tab by clicking on the “View eTape” link in the resource area at the end of this article. I encourage you to click on that link now so you can follow along on the etape.


The etape calculates the annual expense of maintaining an estimated population of mechanical first seen on line 4. As seen in the first part of the etape (lines 1 through 33), the annual expense of maintaining the printing calculators, is, in my opinion, revealed as something much more than trivial. On line 33 you can see that the annual price tag for keeping all those mechanical on desks next to personal computers is just under $550,000.


The next question is what would happen if those antiquated dinosaurs were replaced with a full featured machine program like myOwn10-Key? The remainder of the ROI analysis etape answers that question.


Cost Of Converting To myOwn10-Key


On lines 35 through 50 of the etape a quote is calculated for a site license for myOwn10-Key. I based this calculation on my 60-40 Plan which is available to large corporate customers. Under this plan, the price is based on 60% of the personal computer population being licensed. A 40% discount is applied. The site license is then issued for 100% of the PC population being considered.


For this analysis, I’m assuming that UPS would want a site license only for those personal computers on which a companion mechanical machine is being replaced with myOwn10-Key. Company PCs that do not have a companion printing calculator are not included in the site license.


As seen on line 48 of the ROI etape, converting to electronic tapes with myOwn10-Key has a attractive, one time price tag of just over $320,000. The ROI period works out to about 7 months. This analysis illustrates that the savings to be realized from converting to myOwn10-Key can be substantial. Remember, these numbers are based on conservative analysis factors. The actual savings could be much more. These annual amounts fall straight to the bottom line.


* Savings first year  $226,093.


* Minimum savings each year thereafter $547,128.


In addition to these dollar savings, there are also environmental benefits. Not buying paper and ribbons in cardboard packaging means less pressure on our forests. And not throwing out broken and exhausted ribbon cartridges means fewer non-degradable plastics going into our landfills.


Do Your Own Analysis


These potentially large savings, plus the environmental benefits of converting from mechanical paper to myOwn10-Key are available to any large corporation. To find out what kind of savings your company can realize, download the myOwn10-Key ROI analysis etape (link provided below) and plug in your own values on the below lines. (The 60-40 Plan assumes a PC population of at least several hundred. There is a different discount schedule for smaller populations.)


2 Total PC Population


3  Percent of your PCs with printing calculators sitting beside them


7 Price you pay for each paper roll 12 pack


13  Average number of paper rolls consumed by each calculator each year


19 Average number of ribbon cartridges installed in each calculator each year


20  Price you pay for each printer cartridge


25  Estimate of the percent of your calculators that are replaced each year


26  Estimated cost you pay for new printing calculators


When any of the above values are changed on the etape, the entire etape is recalculated. The lines on the etape that are highlighted in blue and green (when the etape is opened in myOwn10-Key) are Master/Derived Values. These lines are linked such that updated subtotals cascade to following sections on the etape.


(If you do not have a copy of myOwn10-Key, download a copy from my web site. You can use the program free in evaluation mode for 30 days.)




In my opinion, mechanical paper are a costly, outdated . Migrating the machine functionality to electronic machine software, like myOwn10-Key, makes excellent business sense both from cost and environmental perspectives. I think it's time the mechanical paper dinosaurs faded into the same sunset where pencil and paper spreadsheets disappeared almost 30 years ago.