ProKalc is a full-featured scientific/financial calculator with scrolling tape. Using a point-and-click interface, you enter data for trig, exponential, scientific, and amortization problems and get immediate answers, with your input reviewable on tape. You can print results to the Clipboard, a file, or a printer. Ten editable memory locations, online context-sensitive help, and pop-up work screens for complex calculations. ProKalc features 15-digit accuracy in scientific mode along with multi-pane financial and geometry modules to ease calculations.

Features:
1. 32-bit version.
2. Capable of more than 400,000 different conversions.
3. More than 60 additional calculation modules included.
4. Includes a periodic table with pertinent information on each element.
5. Scientific/Financial calculator with scrollable tape and integrated help.
6. Material density class giving metric and Imperial densities of more than 600 common materials.
7. Geometry class providing helpful hints for solving common geometric problems.
8. Custom Conversion class for adding conversions that might not be included in ProKon .
9. All conversion info can be printed or copied to clipboard and file.
10. Comprehensive help is available throughout the program.
11. Excellent teaching tool for anyone learning the metric system.
12. Compatible with Windows 95/98/ME, Windows NT, Windows 2000, Windows XP, and Windows Vista.
13. Conversion results can be displayed graphically.
14. Windows XP Themes enabled.
15. New Installation Utility based on InnoSetup
16. Beginning with v10.0u, ProKon is compatible with Windows XP 64-Bit, Vista 64-Bit. and Windows 7 64-Bit

The license of this software is Free Trial Software, the price is $19.00, you can free download and get a free trial.