This eBook introduces the subject of differentiation, across this wide-ranging subject, starting with definitions and first principles to developing an understanding and appreciation of the first and second order differentials of the equation y = xn through a development of the equations of the gradient and normal to a curve at a particular point as well as a thorough review of maximum, minimum and points of inflection among graphs as well as their stationary points. We extend the students appreciation of graph sketching, and include an extensive selection of questions for the student to enjoy.
