+ - QB64Official/qb64 GitHub Wiki

The - mathematical operator performs subtraction on two numerical values or negation a single value.

return_value = number1 - number2

• Numbers used can be any literal or variable numerical value type.
• Subtracting a negative value will actually perform addition with the other value.
• Subtracting a negative or negation value will make the return value more positive.
• Addition and subtraction are the last operations performed in QBasic's normal order of operations.
• Subtraction cannot be performed on STRING values.

• + (addition operator)
• Mathematical Operations