This small but powerful calculator was designed to be software. I have a hp 33s and had a hp 48g, but my brother has one and i also use fre. We couldnt use negative indexes because the hp42s and free42 just take the absolute value of the index and use. Get free hp33s manual comparison between the hp42s and the new and improved. Rpn scientific calculator benutzerhandbuch german, 1st edition july. This manual is rewritten by jos lauro strapasson of brazil. The hp42s rpn scientific is a programmable rpn scientific hand held calculator introduced.
I recently dug my trusty old 42s up because i needed a calculator. Perhaps he wanted a manual for free but was a bit embarrased to say it. Hp 42s official manual we will do this just to remember when we have to press or not. It is a complete rewrite, not using any hp code, and it does not require an hp42s rom image. Finally, the hp42s programming examples and techniques book is a.
Rpn scientific programming examples and techniques. Free downloads download archive hp 42s an alternative manual. Free42 is a reimplementation of the hp42s calculator and the hp82240 printer. An added bonus to using the hip425 is seeing your work on paper.
Hp42s manual pdf since hps was a very nice calculator, and its official manual is no longer freely available and in my opinion free42 is even better than the real hps. I have a hp 33s and had a hp 48g, but my brother has one and i also use free42 simulator for palmos. I also recommend the alternative hp42s free42 manual, written by jose lauro strapasson and russ jones. If you press this key a second time all keys go back to the normal function. Links, hp42s rpn scientific calculator owners manual, june 1988 pdf.
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