HP Prime

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HP Prime Graphing Calculator
HP prime front picture.png
The HP Prime calculator
Type Graphing
Manufacturer HP
Release September 2013
Latest OS rev. 6031 (Aug. 2014)
Input method RPN, Textbook, Infix
Precision 12
Screen type 16-bit Color, multitouch TFT
Screen size 320x240px ; 3.5"
Processor ARM9 (Samsung S3C2416)
Frequency 400 MHz max
Language(s) Available HP-Basic
RAM Memory 32 MB
ROM Memory 256 MB
Connection Micro-USB
Battery Li-Ion Rechargeable battery
Mass 228g
Dimensions 182 x 85.8 x 139 mm
Price ~ 155€
Discovered Late March 2013

The HP Prime is a CAS-capable graphing calculator from HP announced in 2013 and released in September of that year.
It features a 3.5", 16-bit color, multi-touch, TFT screen with a 320x240px resolution.

Software side


HP Prime Apps
HP Prime Apps

( from http://nctm.confex.com/nctm/2013AM/webprogram/Handout/Session21265/21265%2CSpringer%2CWhat%27s%20New%20at%20HP.pdf )

  • 4 Solver Apps for solving specific types of problems (triangles, finance, linear systems) and a general solver for equations and non-linear systems
  • 4 Statistics Apps for descriptive and inferential statistics and data collection
  • 4 graphing apps to explore graphs and tables of values
  • 3 Explorer Apps for investigating the relationship between the parameters of a function and the shape of the function’s graph

In addition to these apps, there are four more apps of particular interest:

  • The Advanced Graphing App allows you to plot and explore the graphs of functions and relations in x and y, including implicit relations, inequalities, and conic sections
  • The Geometry App gives you the features of a dynamic geometry application, but with a Symbolic view for defining geometric objects exactly using the CAS
  • The Spreadsheet App in which the CAS engine works.
  • The Data Streamer app lets you collect data from sensors

The CAS is based on the open-source XCas engine, a powerful and advanced one, made to operate more like Maple, MATLAB, Mathematica, as opposed to something like the TI-Nspire's CAS, which is made to be "easy"[1] and more direcly intuitive for students.

Linking Protocol

Firmware files

OS version history

  • Pre-releases versions (from leak(s) and testers) : from revision 3xxx to before 5106
  • Public release versions: 5106 (2013/08/13), 5447 (2013/11/25), 6030 (2014/03/31, published in May 2014), 6031 (2014/07/02, published in Aug. 2014).

File format


Hardware Side

HP Prime Hardware
HP Prime Hardware


These have been found on the DVT prototype models[2]. Production models may have different components.

  • Screen: Multi-Touch Color Display 3.5" diagonal with a resolution of 320x240px
  • Processor (U101): Samsung S3C2416XH-40 - ARM9 (core: ARM926EJ-S) clocked at 400 MHz maximum.
  • RAM Memory (U200): Hynix H5MS2562NFR - 32 MB
  • Flash Memory (U201): Samsung K9F2G08U0C-SCB0 - 256 MB
  • Battery: Li-Ion 3.7V, 1500 mAh (5.55Wh)


  1. Early / First (known) revisions (prototype):
    • The calculator was named "HP Advanced Graphing Calculator"
    • The back color is white
    • The D-Pad was silver-colored
  2. DVT Prototypes:
    • The calculator gets the name "HP Prime Graphing Calculator"
    • The D-Pad gets black-colored
  3. Production models, revision A :
    • The calculator gets its back color changed to black.
  4. Production models, revision C :
    • Unlike revision A calculators, this revision is supposed to be able to use the wireless adapters.


  • Battery: The stock 1500 mAh battery can be replaced by a standard 2200 mAh Samsung Galaxy S3 one, providing a ~50% better capacity.


About half of the RAM (~ 16MB) is taken up by the OS, the other half is free.[1]


  • Very compatible with the HP 39Gii's BASIC. (mostly additions and fixes)
  • Lists are array pointers.[1]
  • Objects work through reference counters. You can have a single object reference in many places - it could be hardcoded in the main memory, or a user object on the home screen, or a variable.[1]
  • All characters are UTF16.[1]
  • Once exported, functions act like they are built in.
  • The advanced grapher uses interval based math, and cannot be mixed with user functions.[1]

Native code

No native code (C/ASM...) programming capabilities are offered by default.


HP provides a free Windows version of the HP-Prime software.
No actual emulator (official or third-party) has yet been created.


On the market

The HP Prime is mostly sold online, on multiple specialized and general shops.

See Also


  1. 1.0 1.1 1.2 1.3 1.4 1.5 'tw_hpcalc' (Tim Wessman, HP) - Aug. 08/09, 2013 on Omnimaga's IRC chat
  2. Source : http://tiplanet.org/forum/viewtopic.php?f=55&t=12821&lang=en

External links