# Differentiation – A Level Maths

• Tangents and Normals to a Curve – A Level Maths Revision
Finding the derivative of a function allows you to find the gradient of any point on a curve. If you can find the gradient, you can find the equation of tangents and normals to a curve at a given point. This A Level revision blog will explain how to do this.
• Second Order Derivatives – A Level Maths Revision
Looking for info on second order derivatives? The derivative of a function (if it can be differentiated) is a function that describes the rate of change at any point on the original function. As the derivative is a function, it can also be differentiated, giving the second derivative.
• Summer 2023 Exam Dates
The Summer 2023 exam dates have been released and here you’ll find a full, easy-to-read breakdown complete with assistive revision links.
• Differentiating Functions of the Form x^n – A Level Maths Revision
Differentiation is a major new topic at A Level. This supportive post explains how to quickly differentiate functions in the form y = x^n, with question examples.
• Differentiation From First Principles – A Level Maths Revision
This page highlights the process of differentiation from first principles, with reference to the background of differentiation and how to derive a derivative from first principles.