# How do you find the square root of a negative number, on a scientific calculator?

##### 2 Answers

Apr 21, 2015

Usually you do it in the same way as for a positive number.

Here's how to do it on different brands of calculators.

**SHARP**

Press **2nd F, √**.

The display shows

Would others please add the instructions for their brand of calculator?

Apr 21, 2015

I use the fact that

Use the calculator's square root function to find the square root of the positive, then tack an

so