This update of the calculator that comes with Windows 3.1 fixes the addition and subtraction bugs. In the original version, adding or subtracting decimal numbers could give wrong answers. Don't use calculator without it!
The WW1138.EXE file contains an updated version of the Calculator accessory that is shipped with Microsoft Windows 3.1x and Windows for Workgroups 3.1x. Previous versions of Calculator display simple subtraction errors when you subtract two numbers that include values to the right of the decimal point. While Calculator is determining how to display the solution, it encounters a loss of precision and shows an incorrect answer.
NOTE: This rounding error is unrelate