Type "^" for powers. For example type "x^2" for x-squared, or x^(1/2)" for square-root of x. Type "abs(x)" for absolute value of x. The last icon in the tool bar will allow you to move the coordinate ...

Solving quadratic equations - Edexcel Graphs of quadratic functions Solve quadratic equations by factorising, using formulae and completing the square. Each method also provides information about ...