This HP calculator offers features like a two line dot-matrix screen and a customizable menu. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. The HP calculator is recognized as a trusted name, because of the successful HP-41 calculators that were released before the Hewlett Packard 42S calculator. If you have a Hewlett-Packard HP 42S that is no longer working, you can first try replacing the 3x1.5V cell batteries. Use ON key and third key on top row to reset calculator after tests. Use ON and fifth key on top row to run a test sequence. Touch device users, explore by touch or with swipe gestures. When autocomplete results are available use up and down arrows to review and enter to select. Hold down ON button and press fourth key on top row of keypad, then choose test from menu (use EXIT to leave test and go back to menu). Find many great new & used options and get the best deals for HP 42S Scientific Calculator at the best online prices at eBay Free shipping for many products Pinterest. Be sure to back up any important information held in the calculator before running these tests. Note that diagnostic tests generally delete any data on the calculator. It has 600 functions, 37 keys, and an LCD (liquid crystal) display.
The Hewlett-Packard HP 42S is a programmable calculator with 10 digits precision and RPN (reverse polish notation) logic.
#Hp 42s rpn scientific calculator download#
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