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. HPS. This small but powerful calculator was designed to be software to specify a variable name or a program label or entered as program instructions. The HPS RPN Scientific is a programmable RPN Scientific hand held calculator introduced . HPS RPN Scientific Calculator – Owner’s Manual ( PDF) (1 ed.). Corvallis, OR, USA: Hewlett-Packard Co. June Archived.

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No memory registers are used. If you have more to add, please start a new thread.

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ph42s Some specks of dust behind the display cover. For Machine language programming see comment about HPB. The final product was released on the Hidden matrix functions local page. Waiting for your answersThanks in advance. Now a character on the left and a digit on the right will be displayed briefly: The program manuxl 18 bytes.


This is about 5 times as fast as the HPC. An alternative version is available here:.

HP calculators HP programmable calculators Computer-related introductions in The HPS is keystroke-programmablemeaning that it can remember and later execute sequences of keystrokes to solve particular problems of interest to the user.

There are some small color defects below the display.

HP HP-42S Manuals

Message 5 of 6. The HPS supports indirect addressing with which it is possible to implement a Universal Turing machine and therefore the programming model of the HPS can be considered Turing-complete. Waiting for your answers. Museum of HP Calculators. Production of the 42S ended in The serial interface came only later with the much larger HP Retrieved from ” https: I did not expect it to be on an hp site: Press the decimal point.

HPS – Wikipedia

Two line display showing X and Y register or X register and top function key assignments. Please post in a new thread for better exposure. By using this site, manal agree to the Terms of Use and Privacy Policy.


The number of features is overwhelming and covers much of what can be found in the HPC and HPSII plus full high-resolution graphics capabilities. Graphics capabilities and infrared port for printing.

Message 1 of 6. Message 4 hp42 6. Works with the HP Infrared Printer. I have closed this thread to help keep the comments timely. If you have any other questions about forum posting, please feel free to send me a private message!

It was designed to be code-compatible with the HP This is a sample program which computes the factorial of an input integer number ignoring the calculator’s built-in factorial function. Archived PDF from the original on Note on archived topics. This page was last edited on 26 Decemberat Software compatible to HP