o3

Simple RPN calculator with script editor

o3 is a calculator with the basic functions needed to calculate arithmetic operation and program scripts.

The program includes a numeric keyboard with access to its basic operations: addition, subtraction, division and multiplication; and an environment specially designed for programming sequences of calculation using variables and constants. Probably, its resources for programming scripts are its most interesting characteristic because, with a minimum of training, you can create simple scripts to perform and repeat sequential calculations.