A polynomial is a type of algebraic equation that involves variables raised to a non-negative power — for example, x² + 5x + ...

It’s the percentage of your taxable income you pay in taxes. To calculate your effective tax rate, find your total tax on your income tax return and divide it by your taxable income. Your ...

See how your money's value changes over time, and and how much it could be worth in the future. Many, or all, of the products featured on this page are from our advertising partners who compensate ...

People have been baffled after 'finally' learning what the letter buttons C, CE, and AC stand for on a calculator and how to ...

How much? What even counts as a taxable event? Try our Crypto Tax Calculator to get a quick estimate of your potential tax bill, whether you’ve sold, traded, spent or converted digital assets.

Download our classroom activities, created by Amazing People Schools and adapted for BBC Terrific Scientific, and find out more about Charles Darwin, Isaac Newton, William Harvey, Sanford Fleming ...

Is he or she your special person? This Love meter will help you find out. This is a simple Love Calculator which displays love percentage based on names. Enter your name and the name of your ...

Divide the number of true items by the maximum quantity possible to calculate the pro rata share. The number of true items is the number of days worked. There are 79 days inclusive between January ...

To find out how your bill is calculated, see our guide to National Insurance rates and thresholds. You can use our calculator to work out how much your NI contributions will be in the 2025-26 tax year ...