Select Pure Windows Freeware

General Calculator

TheFreeWindows General Calculator is a free service, that will let you perform various mathematical operations and measure conversions.



Enter an arithmetic expression:

Result:

Save expression (new or copy current):

   
Memory:

       

 


 

Formulas, Areas and Volumes:
Measures conversion:
   

   

   

Convert Temperature, Calculate Percentages

 


 

Rule of Three: 

A is to B
as C is to D



 

Instructions
Add: +, Subtract: -, Multiply: *, Divide: /, Remainder: %.
Precedence: (), *, /, %, +, -.
Decimal: . point

Examples
Expression: (1+2.5+3)*5-(7/3) Result: 30.1666...
6 * 9 % 7 Result: 5
6 * (9 % 7) Result: 12
Sphere volume, with given radius: (4/3)*Math.PI*Math.pow(radius,3)
Random number from 1 to 100: Math.floor(Math.random()*100+1)