WinConverter supports the use of expressions. An expression is a value that contains
any mathematical operators.
When you input a value into the "Quantity
of conversion"field, you can use this expression. The expression is
evaluated before WinConverter does the conversion.
You can use these mathematical operators:
Operator

Meaning 
+

Add two numbers 


Subtract two numbers 
*

Multiply two numbers 
/

Divide two number 
^

Raise a number to a power 
(
)

Forces the expression within the parentheses to be processed first, overriding standard orderofoperation 
Example:
3 + 4 6  3 5.8 * 9 45 / 3 2.2^5
(45 + 6) * (45  (45^2))
4e6 * 4.12E9