Computer Calculator Mistake (FUNNY TRICKS)

Step 1. Go To Start button and the Run then Type " Calc" then hit enter. ( Or Start button→Program→Accessories→Calculator)

Step 2. Open Calculator

Step 3. Type 4 , and then press Sqrt (i.e Square root, e.g, √ )

Step 4. 2 will be appear ( As we already know)

Step 5. Click on Subtract (Minus Symbol i.e, - ) ant then type 2.

As we all know that answer shoud be 2-2 = 0, But the calculator will show something else ( As shown in below image)