Free calc software for pda

CalcM2 is a freeware Pocket PC calculator that also converts currencies.
Main features:
- free calc program for Pocket PC QVGA
- 2 visible memories (thats why the programs name is CalcM2)
- currencies converter
- configuration screen
- buit-in 19 rates (including 13 official europe irrevocable conversion rates, and U.S. DOLLAR, BRITISH POUND, JAPANESE YEN...)
- possibility to change, add or del rates and to retrieve default rates
- round option
- only one small EXE file without need of installation and no keys in registry
Enhancements:
- fix a bug in the clear function of the memories M1 and M2
- fix a bug in the zero display in the memories M1 and M2

XCalc is an infix calculator for mobile devices that support J2ME, MIDP 1.0 and CLDC 1.0. It features arbitrary precision and provides many scientific standard functions. Its main features are 2d and 3d plotting of functions and its usability.
To input numbers use the numbers on your telephone, "#" inputs a point. To input operators or functions press "*". The position of the functions on the screen maps to the position on your mobile phone keyboard.
You can draw a graph if the formula contains an "x" or "y" and your press Calc.
To navigate in the graph press "2" and "8" for up and down and press "4" and "6" for left and right. Or press the corresponding up, left right, down key of your mobile.
To scale the graph on the y-axis press "3" for zoom out and "9" for zoom in. For zooming on the x-axis press "1" and "7". It is also possible to change the scale of the axis in the options menu.
To leave the graph window press "*" again.
The functions sin, cos, tan, ... uses as default radians as input values. You could change the trig-function mode as needed in the options menu to radians, degrees or grad.
Enhancements:
- History of formulas is saved
- Possibility to choose an old formula with up and down keys

Belt Calc - Calculate V-belt size given the diameter of 2 pulleys.
Calculate the current RPM of driven pulley given the drive pulley dia. and RPM.
It will also calculate pulley size given one pulley dia. and desired RPM.
Belt Calc will support both color and monochrome displays.
Enhancements:
- Cosmetic changes

Spoke Calc calculates the correct spoke length for a bicycle rim/hub combination.

Average Calc allows you to enter in up to 12 numbers, and then calculates the average for you.

You dont have to enter in 12 numbers; enter in as many as you like, but no more than 12.

Average Calculator is fast and easy to use.

There are many uses for it! Use it to calculate your free throw percentage in basketball, calculate averages in math class, etc.

It is freeware, so feel free to share it around. Enjoy!

Share Calc calculates shares, taxes and tips.

Light Calc Lite 1.0 is a feature-rich and trustworthy beam calculator application which is designed for Lighting Professionals. Simply enter a beam angle or a field angle and a throw distance to calculate the expected diameter.