Operator: Logarithm

Operator: Logarithm is a Number Spell Piece added by Psi. It will return the logarithm of a number. For example, $$\log_{x}(x^{2})=2$$. By default it operates using base 10, but it can be changed in its parameters. It is unlocked in the lesson "Secondary Operators."

Parameters

 * Target: Requires a number.
 * Base: Optional. Requires a number. Omitting this will have Operator: Logarithm work in base 10.