Manipulate rational, exponential, and logarithmic algebraic expressions

Manipulate rational, exponential, and logarithmic algebraic expressions

1. Dr Dan's Number Operations - Operate on both sides of an equation
2. Al's Number Repairs - Remove common factors from an algebraic expression.
3. Al's Number Repairs - Factorise an algebraic expression.
4. Al's Number Repairs - Expand an algebraic expression.