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PRODUCT IS HERE FOR REFERENCE ONLY
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Note: Brand New Sealed item at a low price, get it today.
Physical Characteristics

* 149 mm by 77 mm by 16 mm (5.87" by 3.03" by 0.63")
* 113 g (4.0 oz) with batteries
* Glossy black faceplate with textured gray slides and glossy black back
* Hard plastic keys (no "click" feedback)
* HP part number F2219AA Data Sheet

Technical Specifications

* 2 line alphanumeric display (top line with 8 dot matrix characters and 11 indicators, bottom line with 12+3 digits) with adjustable contrast
* Atmel AT91SAM7L128 ARM7 processor (30 MHz)
* 6 KB RAM, 2 KB battery-backed (50 slots for pairs of statistical or cashflow data, plus 10 storage registers, available to the user)
* 128 KB Flash ROM
* Two CR2032 batteries, providing 9 months of typical use
* 12 digits displayed with 3-digit exponent
* Prompts in English, Spanish, French, and German

Calculating Environments

* Traditional RPN (Reverse Polish Notation) with four-level stack
* AOS-style algebraic, with 12 pending operations
* Chain algebraic, like the 10bII

Communications

* None supported by HP
* Serial port header behind battery door and JTAG connector (connects to AT91SAM-ICE) inside the calculator for developers
* 10-pin and 8-pin footprints accessible inside calculator for 8 digital IO and 4 ADC channels

Programmability

* None built-in
* Externally programmable by developers via JTAG interface

Financial Capabilities

* Time value of money
* Amortization
* Break-even analysis
* Cash flow analysis
* Internal rate of return
* Net present value
* Net uniform series
* Net future value
* Bond calculations
* Depreciation
* Yield and accrued interest
* Interest rate conversions

Probability and Statistics

* List-based, one- and two-variable statistics and forecasting
* Sx, Sx2, Sy, Sy2, Sxy, average, standard deviation, population deviation, standard error
* Linear, logarithmic, base e exponential, base a exponential, inverse, and power regression
* Correlations and covariance
* Combinations, permutations, factorials (gamma function), random number generation
* Lower-tail normal distribution, Student's t distribution, Chi-square distribution, F distribution, and their inverses

Mathematics

* Standard operations (+, -, X, ÷, %, 1/x, +/-, square root)
* Advanced operations (scientific notation, common log, natural log, power, exponential)
* Rounding
* Trigonometry (arc/sine, arc/cosine, arc/tangent, hyperbolics, pi)
* Probability (LTSD, inverse LTSD)
* Absolute value
* Rounding

Standard Exam Support

* AP Physics
* SAT Reasoning Test
* SAT Subject Tests in Mathematics Level 1 and Level 2
* PSAT/NMSQT
* ACT Mathematics Test
* PLAN
* EXPLORE

HP Provided Documentation

* Financial Calculator Quick-Start Guide, 96 sub-A6 pages, provided in printed form with the calculator
* Financial Calculator Manual, 75 A4 pages, provided as a separate download
* Thirty Training Modules, totaling 146 pages, provided as a separate download
* Development Kit, explaining the technical architecture for developing on the 20b platform, provided as a separate download
* HP Euro Font, useful for creating your own documentation