Includes scientific functions, unit conversion, and date calculation, but presented in a simpler layout than the UWP version.
: Check if your version of Windows allows for "Legacy" app support. Microsoft Store : Look for "Classic Calculator" clones directly in the Microsoft Store , as these are sandboxed and vetted for basic security. Open Source Versions oldclassiccalc-2.0-setup.exe
Includes Scientific, Programmer, and Statistics modes, along with basic unit conversions. Installation Guide Includes scientific functions
