Category: Tech & Games

Games that make you think!

HP Program Mortgage calculator

Mortgage program for HP28S

HP Program Mortgage calculator Formula The HP program mortgage calculator uses the following formula to calculate the mortgage payments:Payment = Price / [(1/I) – 1/{I*(1+I)^n}]I = Interest per month = yearly Interest / 12n = number of month Before you start, create a directory First make sure you are at HOME or root directory. You …

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HP Program Pascals Triangle

HP program for pascal's triangle printout

HP program for Pascals Triangle Just recently I had to help my daughter with some algebra homework and I remembered the Pascal’s Triangle in order to calculate the binomial coefficients. I wanted to write a small HP program on my HP28S to come up with a fast solution. I am not explaining the program at …

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HP82240A Infrared Thermal Printer

Self-test print out

HP82240A infrared thermal printer or HP28S printer For the HP calculator enthusiasts out there, I have a great enhancing tool to add to this amazing bit of original technology…it’s the HP infrared thermal printer. Now, some of you not familiar with this add-on might ask why? Why would you ever need to print from a …

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Permanent link to this article: https://www.teawea.com/hp82240a-infrared-thermal-printer/

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