AepCalc

"...I just wanted to let you know that I've found your RPN calculator to be very useful over the years. It's one of the first things I install on a new computer, and it goes on the outer edge of the quickbar so I can pop it up in an instant. I've bought several other RPN calculators but none are as fast and convenient to use as yours, and rarely do any of the others even get installed. Selfishly, I wish you had gone on to develop it further, and to do similar utilities. In any event, I just wanted you to know that at least one customer found great value in your work." - John Dunn; May 4, 2010During college I became addicted to my HP 42S RPN calculator. After a while, I was unable to use non-RPN calculators. The calculator that came with Windows in addition to not being RPN; was awful.

One of the things that I hated about it, was that it either required use of the mouse or else required one to remember lots of unlogical hot key combinations. In order to fix this, I arranged the buttons of the calculator in the same position as the keys of the right side of the keyboard. In this way, simply by looking at the screen, a person would know which keys went with which functions.I also wanted the calculator to be always handy. So, I placed it on the system tray and gave it the option of being always on top. In this way it could be easily popped up at any time and/or made to hover above other applications.The application has been extremely useful for me personally. I actually thought it would meet with some success, however, aside from one day when a government agency bought 21 copies, it did not.