50G Graphing Calculator, 12-Digit Pixel Display

The ultimate graphing calculator for surveying, engineering, math & science professionals & students. 2,300 built-in functions. Powerful SD card slot allows you to format your card right in the calculator & expand memory. Choose RPN, textbook or algebraic entry & customize data with four font sizes & styles. Enhanced HP keypad with redefinable keyboard & menu keys for reduced keying errors. Calculate advanced expressions & view solutions in 2-D or 3-D graphical representation on high-contrast display. Calculator Type: n/a; Calculator Style: n/a; Power Source(s): Battery.