CalculatorArra

Short:        Simple Calculator that attaches itself to any screen
Author:       kuzmycz@deakin.edu.au (Mark Kuzmycz)
Uploader:     kuzmycz deakin edu au (Mark Kuzmycz)
Type:         dev/misc
Architecture: m68k-amigaos

This is a calculator program that performs basic mathematical
operations. 
Features include:
  Ability to latch onto any screen.
  Multiple calculators
  Semi programmable.
BTW. Written in Blitz BasicII.

Look out for the tutorial.