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HP-10B

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HP-10B
HP 10B, first version
TypeFinancial calculator
ManufacturerHewlett-Packard
Introduced1989
Calculator
Entry modeInfix
Precision12 display digits (15 digits internally), exponent ±499
Display typeLCD seven-segment display
Display size1 line
CPU
ProcessorSaturn Bert (HP-10B); Hitachi H8 (HP-10BII); Atmel AT91SAM7L128 or Atmel ATSAM4LC2CA (HP-10bII+)
Programming
Firmware memory10 KB of ROM; Unknown (HP-10BII); 128 KB of Flash memory (HP-10bII+)
Other
Power supply3×1.5V button cell batteries (Panasonic LR44, Duracell PX76A/675A or Energizer 357/303) (HP-10BII); 2xCR2032 coin cell batteries (HP-10BII and HP-10bII+)
Weight4.2 oz (120 g)
Dimensions148×80×15mm

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 and used an 1LU7 HP Saturn processor, the later model (in 2000) with teal-green labels. The functionality of the two versions appears to be identical.

The successor HP 10BII (F1902A), which was introduced in 2001, has both cosmetic and architectural changes from its predecessor. It uses a different CPU based on the Hitachi H8 architecture. The calculator's firmware is not a perfect replica of the overall HP10B functionality. For instance, the keyboard layout is different, with two separate shift keys, and the available numbered-storage registers is reduced from 15 to 10. Early production runs were of poor quality; newer calculators have apparently solved this shortcoming.

The 10BII was released in two cosmetic variants. The first in 2001, branded as "10BII", had a golden bezel and mauve statistical shift button and key labels. The second in 2007, branded as "10bII", had a silver bezel and blue statistical shift button and key labels. As with the cosmetic variants of the original 10B, these two variants also appear to have identical functionality.

In 2011, the 10bII was replaced by the HP 10bII+ (NW239AA) model 1 (codenamed "Bluestar") with expanded capabilities. This model offers two modes of input logic, chain input which evaluates operators strictly in the order in which they are entered, and algebraic input which observes PEMDAS operator precedence. Chain input is backwards compatible with the previous models of the series. It added new financial functions such as bonds, break-even, and deprecation functions. Several additional scientific functions were also added, such as trigonometric and hyperbolic functions, their inverses, and several additional statistical regression models. The 10bII+ uses a flashable Atmel AT91SAM7L128 processor with ARM7TDMI core.

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

None of the five models supports RPN.

See also

References

  1. "Teal-Green HP-10B availability". Hpmuseum.org. Retrieved 2018-09-22.
  2. "HP 10bII Financial Calculator". studylib.net. Retrieved 2023-11-15.
  3. "HP Forums / HP Calculators (and very old HP Computers) / General Forum v / HP 30b codename(s)?". Hpmuseum.org. Retrieved 2018-09-22.
  4. "End of life notification : EOL Number: RE133101" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  5. "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.
  6. "End of life notification : EOL Number: SE133406A" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  7. "End of life notification : EOL Number: RE150402" (PDF). Media.digikey.com. Retrieved 2018-09-22.
  8. "HP Voyager Calculator Variants". Brouhaha.com. Retrieved 2018-09-22.
  9. "Too Long With No New Calculators!". Hpmuseum.org. Retrieved 2018-09-22.
  10. ^ "Is the 12C SDK still available?". Hpmuseum.org. Retrieved 2018-09-22.

External links

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