Calculator Guides, Tips & Math Help

How to Split a Bill To split a bill evenly, add the tip to the total and divide by the […]

Calculator Tips for Students A calculator is most useful for checking work you have already done, not for replacing it. […]

Everyday Math Examples You use math every day, usually without calling it math. Working out a sale price, splitting a […]

Basic Math Formulas Most of the math you use outside school comes down to a short list of formulas: percentages, […]

How to Calculate Percentage To calculate a percentage, divide the part by the whole and multiply by 100. For example, […]

10 Mental Maths Tricks to Calculate Faster in Your Head 10% of any number: move the decimal one place left. […]

How to Calculate Your Monthly Budget in 10 Minutes Start with your after tax income, not your gross salary. You […]

How to Calculate a Discount | Shopping Maths Made Simple Discounted price = Original Price × (1 − Discount %). […]