# Definition:Fractional Calculus

## Definition

Fractional calculus is the branch of calculus which considers the concept of derivatives of fractional order.

## Also see

• Results about fractional calculus can be found here.

## Historical Note

The field of fractional calculus was initiated by Joseph Liouville when he assigned meaning to the concept of the derivative $\dfrac {\mathrm d^n} {\mathrm d x^n}$ for $n$ not a positive integer.