This calculator finds real roots only.

Polynomial Root Finder

Find roots of polynomials up to degree 3

a (x³ coeff)

b (x² coeff)

c (x coeff)

d (constant)

Formula

ax³ + bx² + cx + d = 0

Finds real roots of cubic and quadratic polynomials.

Roots: 1, 2, 3.

Find roots of polynomials up to degree 3.

Calculate percentages, increases, and decreases

Add, subtract, multiply, and divide fractions

Calculate mean, median, and mode of numbers

Find standard deviation of a data set