![]() Try asin(acos(atan(tan(cos(sin(6°))))))įor more information about HP-42S please see In my opinion Free42 is even better than the real HP-42S. If you want to download the fantastic Thomas Okken Free42 program please go to this web site This because I suppose most owners don't have the printer (and it is not so useful) and also haven't had a HP-41 prior to HP-42S. Two things I really don't want to see here are PRINTING and HP-41 compatibility. It is important to say that this manual is not complete and I don't want it to be. This calculator played an unique position among HP calculators! Being a scientific programmable 100% RPN calculator, it also had some graphing abilities but was pocketed sized and non RPL (some people as me like RPN, but dislike RPL). And because there is a free simulator (Free42) that works on Palm OS, Windows and Linux and there are also some emulators (at the moment emulators are only useful for who has a real calculator since HP-42S roms are not freely available). I know some other HP models from the past and the present like 48G, 49G, 28S, 33S, 20S, 6S Solar, 15C, and even a TI-36X Solar, etc, but 42S is my favorite. Why HP-42S? Because it was a very, very nice calculator and also a powerful one. ![]() Have the official manual but don't want to read more than 300 pages! Have a palmtop with PalmOS and want a nice scientific calculator (get Free42) Got the Free42 simulator and want to know how to use it. Have a HP-42S calculator and lost its manual. This manual will be of interest to people who: I have a HP-33S and had a HP-48G, but my brother has one and I also use Free42 simulator for PalmOS. I personally don't have a HP-42S (more than US$300 on ebay). Since HP-42S was a very nice calculator, and its official manual is no longer freely available and there were many people looking for its manual, seemed good to me to write my own HP-42S manual. 18ĥ.2 Complex numbers in polar coordinates 18Ħ.2 More than one program in the memory 20ĩ.2 The second line: ALLΣ, LINΣ, ΣREG and ΣRG? Functions 28ġ3.1 Keyboard Interface (Windows, Linux and Mac Desktops and Laptops) 33ġ6.1 (nonprinting text below ! click VIEW / hidden paragraphs to view it in Open Office) 44 2.9 Getting used to some keys of the keyboard 11ĥ.1 Complex numbers in rectangular coordinates.
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