How to Calculate Discount and Final Price (Including Double Discounts)
Work out the final price after a discount, why two discounts do not simply add up, and how to find the real percentage off a sale price.
Everyday Maths
Simple methods for the calculations we all use every day.
How to Calculate Your Exact Age in Years, Months and Days
A step by step method to work out age in years, months and days, why dividing days by 365 is slightly off, and how leap years fit in.
How to Calculate Percentages: 3 Simple Methods With Everyday Examples
Learn the three main percentage calculations, discounts, GST and percentage change, with worked examples and the mistakes people often make.