Category
Free Online Math Calculators and Tools
6 calculators
Free tools for everyday math, from solving equations and calculating percentages to working with exponents and scientific notation. Find the roots and discriminant of a quadratic equation, estimate a value between two measurements with linear interpolation, or write very large and very small numbers in scientific form. Every calculator is free and needs no sign-up.
- Quadratic Equation Solver Calculate the discriminant and real roots from standard, vertex, or factored form.
- Scientific Notation Calculator Convert numbers to scientific notation, E notation, engineering notation, and standard number format.
- Exponent Calculator Calculate exponents, negative exponents, fractional exponents, and scientific notation.
- Percentage Calculator Calculate the percentage of a number, the ratio between two numbers, percentage increase/decrease, and percentage difference with their formulas.
- Linear Interpolation Calculator Calculate the single value left blank among the X1, Y1, X2, Y2, X3, and Y3 fields.
- Polynomial Discriminant Calculator Calculate the discriminant of polynomials from the second to the fifth degree.