My collection represents only a small fraction of Hewlett Packard calculators.

Graphical calculators

Scientific calculators

FInance calculators

 

Any other emulators missing to the list? contact me

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HP 11C Scientific Calculator
The HP-11C was a mid range scientific programmable calculator. Compared to the previous series it would fall between the HP-33E/C and HP-34C. It also included two new features: a built-in random number generator and a backspace key that allowed numbers to be corrected a digit at a time. …
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HP 39GS newly added to my collection
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HP 39GII newly added to my collection
The HP 39gII (NW249AA) was released in October 2011. It is built around an 80 MHz Freescale (formerly SigmaTel) STMP3770 processor with ARM926EJ-S core and features 256 KB RAM and 128 MB flash memory (of which ca. 240 KB RAM and 80-105 MB flash are available to users). The high-resolution monochrome gray-scale LCD provides 256x128 pixels. Connectivity is provided through a USB-OTG Micro-AB connector. The BCD math libraries internally used by the calculator were rewritten in platform-independent C code run …
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