HEW 50G by Hewlett Packard

The ultimate graphing calculator for surveying, engineering, math and science professionals and students. 2,300 built-in functions. Powerful SD card slot allows you to format your card right in the calculator and expand memory. Choose RPN, textbook or algebraic entry and customize data with four font sizes and styles. Enhanced HP keypad with redefinable keyboard and menu keys for reduced keying errors. Calculate advanced expressions and view solutions in 2-D or 3-D graphical representation on high-contrast display. RS-232 and USB connectivity.

• Global Product Type : Calculators-Graphing

• Power Source(s) : Battery

• Display Notation : Numeric

• Display Characters x Display Lines : 131 x 80 pixels

• Memory : 2MB Flash ROM, 512KB RAM

• Display Types : LCD

• Case : Premium Pouch

• Percent Key(s) : No

• Fraction Calculations : Yes

• Fraction/Decimal Conversions : No

• Decimal Function : No

• +/- Switch Key : No

• Currency Exchange Function : No

• Metric Conversion : No

• Backspace Key : Yes

• Double Zero Key : No

• Amortization : No

• Base Number Calculations : Yes

• Bond Calculations : No

• Cash Flow Calculations : No

• Complex Number Calculations : Yes

• Confidence Interval Calculating : Yes

• Cost/Sell/Margin : No

• Date Calculations : No

• Depreciation Calculations : No

• Display Window Resolution : 80 x 131 Pixels

• Entry Logic : Algebraic, RPN, Textbook

• Equation Editor : Yes

• Grand Total Key : No

• Graphing Functions : 3-D, Differential Equations, Histogram, Parametric, Plot, Shade, Trace, Zoom

• Higher Mathematical Functions : Calculus, Polynomial Equations

• Hyperbolic Functions : Yes

• Hypothesis Testing : Yes

• Interest Rate Conversion : No

• Item Count Function : No

• Levels of Parentheses : Unlimited

• Linear Regression : Yes

• Loan Calculation : No

• Logical (Boolean) Operations : Yes

• Markup/Down Key : No

• Matrices : Yes

• Percent Add-On/Discount : No

• Polar-Rectangular Conversion : Yes

• Probability (Random Number) : No

• Programming Steps : Subroutines

• Simultaneous Equations : Yes

• Square Root Key : Yes

• Tax Calculation : No

• Time-Value-of-Money : No

• Time/Date : No

• Trig/Log Functions : Yes

• Variable Regression : No

• Variable Statistics : Multiple

• Size : 3 1/2w x 7 1/4d

• I/O Port : Yes

• Replacement Batteries : 4 AAA, EVE-E92BP-4, 3.0V Lithium, EVE-ECR2032BP