Used SpeedCrunch for Windows?
Developer’s Description
By SpeedCrunch
Scrollable display. Up to 50 decimal precisions. Unlimited variable storage. Intelligent automatic completion. Full keyboard-friendly. More than 15 built-in math functions. Optional keypad. On-the-fly calculation. Customizable appearance. Syntax highlight with parentheses matching. Version 0.10 includes bug fixing of almost all known bug. ERF, ERFC, GAMMA, LNGAMMA, IDIV, and MOD functions. Math book browsable pages dock window. Automatic calculation of the selected text. Automatic syntax highlighting color generation. Complete support for RTL (right-to-left) written languages. Ability to change the language on-the-fly. Restore last session. Save and load session. Batch calculation.
Explore More

Omega
Free
Math-o-mir
FreeCrocclip
Free
CurTiPot pH and Acid-Base Titration Curves
Free
DISMOD II
Free
JMicroVision
Free
MathMod
Free
2D Frame Analysis Truss Edition
Trial version
Basic Circuits Challenge
Trial version
2D Frame Analysis Static Edition
Trial version
SO-Shear
Trial version
Etchimaths (University I)
Trial version