Oldclassiccalc-2.0-setup.exe Portable -

: While the review did not test the software on a wide range of systems, its simple nature suggests it should run on most modern Windows systems. Compatibility with various Windows versions, from Windows 7 upwards, seems likely, given its classic design.

Retains the exact layout and scientific/programmer modes found in Windows 7. oldclassiccalc-2.0-setup.exe

Even version 2.0 can run into issues. Here is the definitive fix list. : While the review did not test the