Problem solutions

Comma with calculator

  • Problem: Try to calculate an expression and the program says: "Found an element not valid n,n".
  • Solution: If the element not valid is for example 2,3 perhaps the problem is in the international settings of windows. Open control pannel and go to path: "Clock and international options\Language" and click on "Change data time or number format" then click on "Additional settings" and set "Decimal separator" to ",".