No specific info about version 4.0. Please visit the main page of PCalc on Mac Informer.
An electronic calculator supporting operations with binary numbers.
Perform advances scientific calculations on your Mac.
Mac Dec Bin Hex Calculator is a Decimal Binary Hexadecimal conversion tool.
A built-in MagicPlot 'Tools' menu expression calculator.
Enter a formular like "a and b and (not c)" and it shows you a table.