Windows calculator bug

This one is actually a bug, but it’s kinda entertaining.Almost all Windows users use the default Calculator application which comes pre-installed with Windows OS. But did you know it contains a bug which has not been fixed by Microsoft yet. This bug exists in almost all Windows versions including Windows XP, Vista, 7 and Windows 8.

Windows calculator bug

Steps you have to perform

1. Open calculator (i.e.. Goto run and type calc)

2. Now type the following

• Type 4.
• Take its square root by using the square root button.
• Now you will get 2. 
• Subtract 2 from it.

The answer should be 0 but its not. You will get a multiple digit number as your answer.