Math blog

Techniques explained carefully, with worked examples step by step, from mental math to college.

Subscribe via RSS
  1. Logarithms: definition, properties and worked examples

    What a logarithm is, when it exists, the product, quotient and power rules, change of base and how to solve exponential equations, with worked examples.

  2. Mean, median and mode: how to calculate and use each

    Calculate the mean, weighted mean, median and mode with worked examples, and learn which measure to use with outliers or categorical data.

Your first lesson takes five minutes

Create an account, pick where to start and keep your streak from today.

Start learning