Modern Calculator is distributed as shareware. If you wish to continue to use the program, you must register it.

After registering you receive:

  No nag screens
  Lifetime technical support
  Free updates and upgrades*

*Your registration will be valid for ALL future versions of Modern Calculator.

To register the program, please go to the order page by clicking on the button link below.

Order via Share-it!

After you have purchased the product by completing the online order form, a license key will be sent to you via email to unlock the software for use. If you haven't got your license key within a reasonable amount of time (usually two business days), please notify us!

If you have any problems with purchasing please inform us at