The basics
Find a square root or a power
=SQRT(A2)How it works in Excel
- SQRT gives the square root of A2.
- For powers, use ^. For example, =A2^2 squares A2.
- A negative number gives #NUM!.
- For a cube root, use =A2^(1/3).
The idea in general
A square root asks: "What number times itself gives this one?"
What I assumed
- The number is in A2.
Check the result on your own data before relying on it.