100% Original HP 39GS Calculator
Manual: https://support.hp.com/us-en/product/hp-39gs-graphing-calculator/1812520/model/1812521/manuals?jumpid=reg_r1002_ruru_s-001_title_r0001
Specifications
Configuration
Flash read-only memory (ROM) (available for future electronic software upgrades): No
Random access memory (RAM): 256KB
Reusable custom menu keys: No
Reusable custom keyboard (user mode): No
Peripherals: Yes
Support Aplets: is
Support libraries / RPL programs: No
Vector operation
Cartesian / Polar: Yes
Matrix Operations: Yes
Matrix Editor: Yes
Drawing features
2-D operation, very, parameter mapping: Yes
Order, spider, ladder shape diagram: yes
Drawing / tabulation screen, box-type diagram statistic: Yes
3-D differential equations, square Drawing: No
Column Square, scattering cartography: Yes
Find: intersect, extremum, slope, area: Yes
Zoom, track ,, coordinates, shadow: Yes
Mathematical properties
+, -, X, /, SQRT, 1 / x, ln, ex, SQRT x: is
yx, log, 10x,%, Pi, n !: is
Score: Yes
Degree, curvature, gradient mode: Yes
Trigonometry / inverse function: Yes
Hyperbolic / inverse function: Yes
HP Solve application software (Roots): Yes
Digital integration: Yes
Symbolic Integration: Yes
Digital Differential: Yes
Symbolic differentiation: Yes
Arithmetic: Yes
Polynomial rooting, Taylor series: No
Absolute value, rounding: Yes
Integer and fractional part of the number: Yes
Modulo operation, the smallest integer largest integer: yes
Computer Algebra System (CAS): No
Scientific characteristics
When decipoint / minutes and seconds transformation: Yes
Polar / Cartesian coordinates transformation: Yes
Angle Conversion: Yes
Base conversion and operation: No
Unit Conversion: No
Bit, Boolean graphics: No
Display and print pictures: Yes
Statistical properties
x, x2, y, y2, xy: yes
Sample standard deviation, mean / weighted average: Yes
Overall standard deviation: Yes
Linear regression: Yes
Combination, arrangement: Yes
Weighted average: is
Edit, save, name, list: Yes
Curve fit (LIN, LOG, EXP, POW): is
Drawing statistics: Yes
Suppose Detection: YES
Confidence interval: Yes
Other features
Roots: HP Solve
Digital stepwise / storage or byte: 128KB
Scalable random access memory (RAM): No
Branch: Yes
Indicator: No
Alpha program tips: is
Entry form, alpha string manipulation: Yes
Indirect addressing: No
Index loop: Yes
Alpha List: Yes
Finance Function: No
Packing Description
One Original HP 39GS Calculator
One USB AM to mini 5P cord
Plastic bag
Note: No battery included in the package