How does the Rational Exponents - Fractional Indices Calculator work?

Free Rational Exponents - Fractional Indices Calculator - This calculator evaluates and simplifies a rational exponent expression in the form a^{b/c} where a is any integer or any variable [a-z] while b and c are integers. Also evaluates the product of rational exponents This calculator has 1 input.

What 1 formula is used for the Rational Exponents - Fractional Indices Calculator?