Calculator Hub

Math & Statistics

De Moivre's Theorem Calculator

Raise a complex number to a power using De Moivre's theorem.

Your inputs

Change any value to update the result instantly.

Math & Statistics

Result real part

-2.0000 + 2.0000i

Result imaginary part

2

Modulus r

1.4142

Angle θ

45 °

Formula and working

(r cis θ)ⁿ = rⁿ cis(nθ)

  1. 1

    Substitute your values

    Real part = 1; Imaginary part = 1; Power n = 3

  2. 2

    Apply the formula

    (r cis θ)ⁿ = rⁿ cis(nθ) = -2.0000 + 2.0000i

Frequently asked questions

Important limitation

This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.

Report a mistake or request an improvement

Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.

Related calculators

Back to Calculator Hub