Maths Calculators
General-purpose maths utilities: an expression evaluator, exact fraction arithmetic, percentage relationships, geometry from measurements you already have, and basic descriptive statistics.
Each shows the result of a defined calculation rather than a worked solution, so they are useful for checking an answer you have arrived at another way.
Tools in Maths Calculators
Scientific Calculator
Evaluate typed expressions with functions, constants and precedence.
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Percentage Calculator
Calculate percentage changes and values.
Triangle Calculator
Calculate area, perimeter, angles and heights from three sides.
Volume Calculator
Calculate volume of various 3D shapes.
Standard Deviation Calculator
Calculate variance and standard deviation.
Random Number Generator
Pick a random number between a range.
Number Sequence Calculator
Find the nth term of an arithmetic or geometric sequence.
Frequently asked questions
Do these show the working?
No. They state the formula used and produce the result; they do not generate step-by-step derivations.