Maths Calculators
Free online calculators to help with your maths revision. These open in a new tab on TaxNumbers.co.uk.
Standard Deviation Calculator
Enter your data set and instantly calculate mean, variance and standard deviation.
Open calculatorProbability Calculator
Calculate simple and combined probabilities. Great for GCSE and A-Level stats.
Open calculatorQuadratic Equation Solver
Enter a, b and c to solve any quadratic. Shows both solutions and the discriminant.
Open calculatorPercentage Calculator
Find percentages, percentage change, percentage of a number. All in one tool.
Open calculatorCompound Interest Calculator
See how money grows over time with compound interest. A-Level and real-life essential.
Open calculatorFraction Calculator
Add, subtract, multiply and divide fractions. Simplifies automatically.
Open calculator