How to enable decimals in Math Solver/Math Solver II v1.0

Some Windows version has default decimal symbol as . (dot) and not , (comma) and therfore Math Solver/Math Solver II v1.0 will not be able to calculate with decimals. This problem does not concern Math Solver II v1.1 users.

But if you open 'Control panel' and 'Regional and language options'. Then find the 'Regional Options' section, and click the 'Customize...' button. In the 'Numbers' section change the decimal symbol to , (comma)

Then Math Solver/Math Solver II v1.0 will be able to handle decimals.
 

Doesn't find the way?
Check out this picture for a step-by-step description.