# Excel IMPOWER Function

The Excel IMPOWER function returns a complex number raised to a given power. The complex number must be in the form x + yi or x + yj. Use the COMPLEX function to create a complex number from real and imaginary parts.

**inumber**- A complex number.**number**- Power to raise number.

The Excel IMPOWER function returns a complex number raised to an given power. The complex number is input as text, and must be in the form x + yi or x + yj.

For example:

=IMPOWER("1+2i",2) // returns "-3+4i"

In the example shown, the formula in D6, copied down, is:

=IMPOWER(B6,C6)

Notes:

- Only lowercase "j" and "i" are accepted by IMPOWER. Other values will result in the #NUM error.
- The
**number**argument must be numeric

## Excel Formula Training

Formulas are the key to getting things done in Excel. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank values, and create dynamic ranges. You'll also learn how to troubleshoot, trace errors, and fix problems. Instant access. See details here.