“A small widget to easily and fast calculate arithmetic proportions„
Main features are:
  1. Type here 3 of the 4 terms of the proportion; the 4th will be authomatically calculated
  2. The black arrow indicates the last dependent variable (the term calculated when the others change)
  3. Click on the arrow to set the term above as the dependent variable
Version history:
  • Version 0.2
    • OS X 10.8 Mountain Lion support
  • Version 0.1.6
    • Fixed a small glitch due to the move to a new site
  • Version 0.1.5
    • Now fully compatible with MacOs X 10.5 Leopard
    • The arrow keys and the forward delete key now correctly works
  • Version 0.1.2
    • Minor glitch solved
  • Version 0.1.1
    • Minor glitch solved
This widget is © Paolo Grifantini (contact: Click here to send mail) and is licensed under a
Creative Commons License
I deny any responsibility in problems related to the malfunctioning of this software.