Maths / Study tools
Scientific calculator
Calculate expressions, solve equations and explore calculus.
Your calculation
Type an expression or use the keypad. Enter calculates; percentages mean “divide by 100”.
Polynomial equations
Solve a linear, quadratic or cubic equation. Include zero coefficients for missing terms.
Simultaneous equations
Enter each row’s coefficients and its right-hand constant.
Calculus & numerical roots
Integration and differentiation are numerical approximations. Root finding needs a continuous function and a sign-changing interval.
Complex numbers
Enter a + bi and c + di, then choose an operation.
Number bases
Convert whole numbers between decimal, binary, octal and hexadecimal.