Algebra
Quadratic Equation Solver
Enter the coefficients of ax² + bx + c = 0. Sumzo finds the exact roots, shows each step, and checks every root by substituting it back into the equation.
Sumzo AI
Solve math problems and understand every step
Type a problem or snap a photo. Sumzo AI shows the answer first, then explains how to get there — and tells you clearly when an answer has been checked.
Calculators
Accurate calculators with formulas, worked examples and steps.
Algebra
Linear Equation Solver
Enter a, b and c for the equation ax + b = c. Sumzo isolates x step by step and checks the answer.
Geometry
Circle Calculator
Know one measurement of a circle? Enter it to get the radius, diameter, circumference and area.
Trigonometry
Trig Calculator (sin, cos, tan)
Enter an angle to get its sine, cosine and tangent. Special angles are shown exactly.
Statistics
Mean, Median and Mode Calculator
Enter your numbers separated by commas, spaces or new lines.
Calculus
Derivative Calculator
Type a polynomial such as 3x^3 - 2x + 5 to get its first and second derivatives.
Everyday math
Percentage Calculator
Three everyday percentage questions in one place. Choose what you want to find, enter two numbers and press Calculate.
Everyday math
Unit Converter
Choose what you are converting, enter a value and pick the units.