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HP 10B, first version

The HP-10B (F1636A) is a student business calculator introduced in 1987. The model of this calculator proved to compete well with the higher end RPN HP-12C.

Two versions of the 10B were produced, the first version came with orange lettering around the keys, the later model (in 2000) with teal-green labels.[1] The functionality of the two versions appears to be identical.

The successor HP 10bII (F1902A), which was introduced in 2001, is essentially a cosmetic upgrade offering the same overall functionality, but actually reduces the available numbered-storage registers from 15 to 10. Early production runs were of poor quality; newer calculators have apparently solved this shortcoming.

In 2011, the 10bII was replaced by the HP 10bII+ (NW239AA) model 1 (codenamed "Bluestar"[2]) with expanded capabilities. This model also allows chain input. The 10bII+ uses a flashable Atmel AT91SAM7L128[3][4][5][6][7] processor with ARM7TDMI core.[8]

In 2015, the internal hardware of the HP 10bII+ changed to use an Atmel ATSAM4LC2CA processor with ARM Cortex-M4 core.[9] The part number and physical appearance of model 2 didn't change except for a "Rev 2" plate on the bottom side.[9] The serial numbers of the new model start with "PHA".[9] The 2×3-pin flash port now uses the USB protocol instead of a TTL serial protocol.[9]

None of the five models supports RPN.

See also[edit]


  1. ^ "Teal-Green HP-10B availability". Hpmuseum.org. Retrieved 2018-09-22.
  2. ^ "HP Forums / HP Calculators (and very old HP Computers) / General Forum v / HP 30b codename(s)?". Hpmuseum.org. Retrieved 2018-09-22.
  3. ^ "End of life notification : EOL Number: RE133101" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  4. ^ "Based on Atmel Management decision, Atmel is retracting the release or EOL RE133101. Atmel is conducting additional review of the discontinuance notice and will reissue notice upon completion of the review" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  5. ^ "End of life notification : EOL Number: SE133406A" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  6. ^ "End of life notification : EOL Number: RE150402" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  7. ^ "HP Voyager Calculator Variants". Brouhaha.com. Retrieved 2018-09-22.
  8. ^ "Too Long With No New Calculators!". Hpmuseum.org. Retrieved 2018-09-22.
  9. ^ a b c d "Is the 12C SDK still available?". Hpmuseum.org. Retrieved 2018-09-22.

External links[edit]