Calcus is a cross-platform scriptable calculator based on Qt and QtScript.
Base functionality:
1. math.h functions support (in addition to Math object);
2. variables (just type "a = 7" and you can use variable "a" whenever you need it);
3. "pi" macro;
4. print() function outputs in a log window;
5. history (use Up and Down to navigate through it);
6. "result" (or "res") macro.

Planned functionality:
1. numeric keyboard;
2. show/hide log;
3. import/export script;
4. immidiate/on demand evaluating (fully scripting mode);
5. reset calc;
6. Symbian version;
7. file I/O operations.

The license of this software is Free, you can free download and free use this calculator software.