Excalibur Download

Download Excalibur

Excalibur is a freeware full-featured RPN-only calculator with 300 functions (scientific, business, conversion, computer science, physics, complex numbers, geometry, vectors, etc), full 4 or 8-level stack, international support for different comma and decimal point formats, programmable, macros, registers, custom button banks, etc. It's difficult to find a freeware calculator so powerful!