This is what you are looking for! A must have tool on your maths classes. The first calculator with functions drawing ability on Windows Mobile Smartphones. fCalc is professional and user friendly calculator.

Supported mathematic funtions:
+, -, *, /, 2√, 3√, x√y, x^2, x^3, x^y, sin, cos, tg, arc sin, arc cos, arc tg, sin hyp, cos hyp, tg hyp, arc sin hyp, arc co hyp, arc tg hyp, log, ln, abs, exp, sign, e, ∏

Fully customized Chart:
- Shows graphic representation of entered function
- Draws gridlines on the X and Y axis of the chart
- Zoom function on which it is possible to magnify the chart
- Allows moving across the chart by using directional pad
- Calculates function value for specific argument

Other:
- Expresion is continuously displayed while inputing more information
- Acurate result display ? features up to 9 digits after the decimal point
- Calculation range (1e-308, 1e308)
- Easy navigation between functions
- Holds list of the 10 most recent calculations
- Deg/Rad modes for trigonoetric functions
- Full editable formula
- Compact size