Hewlett Packard HP-42S Serial Number. HP-42S RPN Scientific Calculator Owner's Manual, June 1988 (PDF) HP-42S RPN Scientific Programming Examples and Techniques. HP Scientific Calculators - Scientific Calculator Product Comparison. Features and functions of HP scientific calculator models for comparison.
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Contents • • • • • • • • • • Overview [ ] Perhaps the HP-42S was to be released as a replacement for the aging series as it is designed to be compatible with all programs written for the HP-41. Since it lacked expandability, and lacked any real ability, both key features of the HP-41 series, it was marketed as an replacement. The 42S, however, has a much smaller form factor than the 41, and features many more built-in functions, such as a editor, support, an, user-defined menus, and basic graphing capabilities. Additionally, it features a two-line dot matrix display, which made stack manipulation easier to understand. Production of the 42S ended in 1995. Canon Copier Pc 775 Manual Dexterity here. Buku Rouhani Kristen Gratis Pdf Printer. In the HP calculator community, the 42S is famous for its high prices in online auctions, up to several times its introduction price, and has created a scarcity for utility end users.
Free Apps For Hp Touchpad Webos on this page. Yet, this calculator is regarded amongst the best ever made in terms of quality, key stroke feel, ease of programming, and daily usability for engineers. Specifications [ ]. Main article: The HP-42S is, meaning that it can remember and later execute sequences of keystrokes to solve particular problems of interest to the user. The HP-42S uses a superset of the language. The HP-42S supports indirect addressing with which it is possible to implement a and therefore the programming model of the HP-42S can be considered. Sample program [ ] This is a sample program which computes the of an input integer number (ignoring the calculator's built-in factorial function). The program consumes 18 bytes.
No memory registers are used. Step Instruction Comment 01 LBL F A C Start of program 'FAC' 02 1 1 is put into X, hence the value to be calculated upon (which was initially in X) is lifted (pushed) into stack register Y 03 LBL 0 0 Define label 00 04 RCL × ST Y Recall stack register Y and multiply with X 05 DSE ST Y Decrement stack register Y and if not zero. Go back to label 00 07 END or RTN Returns control (and result in X) to either the user or to a calling program. Legacy [ ] In May 2017, released pre-production samples of an RPN calculator closely resembling the HP-42S, the DM42.
The final product was released on the 2017-12-09. Even though slightly smaller (144×77×13 mm, 170 g) than the original HP-42S (148×80×15 mm, 170 g), the calculator comes with an additional top row of keys for soft menus, a keyboard layout supporting direct alpha character input, a much larger high-contrast display ( low power transflective memory with a resolution of 400×240, protected by ) showing all four stack levels at once (configurable), ca. 75 KB usable RAM, a beeper, a callable as well as an infrared port for / printer support and an interface (with connector) emulating a -formatted USB mass storage device for easy program transfer and state backup / transfer as well as for firmware updates. The calculator, which comes in a stainless steel case with black matted PVD () coating, supports keyboard overlays and is based on a modified version of Thomas Okken's Free42 simulator with 's decimal floating-point math library for higher precision () running on an processor ( core, 128 KB RAM, 1 MB internal flash) with another 8 MB of external QSPI flash (of which ca. 6 MB are available to users).
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