Use Command Prompt (MS DOS) as a Calculator

Using Command Prompt we can make all mathematical operations such addition, subtraction, multiplication, scale, division etc

(To open command  prompt, open Run (window key + R ) and type 'cmd' and press OK or Enter)

For calculating,
type " set /a " and type your calculations and press enter for answer.

Examples:

• C:\>set /a  2+3 

               5

• C:\>set /a  3*(4/2)

               6

• C:\>set /a  10/5

               2

• C:\>set /a  18-8

              10

• C:\>set /a "31>>2"

              7