Math
Factorial Calculator
Compute n! exactly for any n from 0 to 1000 using big integers.
Logarithm Calculator
Calculate log with any base plus natural log, log base 10 and log base 2.
Exponent & Root Calculator
Raise a base to any power and compute the nth root of a value.
Combination & Permutation Calculator
Compute nCr and nPr exactly using big-integer arithmetic.
Arithmetic Sequence Calculator
Find the nth term and the sum of an arithmetic progression.
Geometric Sequence Calculator
Find the nth term and the sum of a geometric progression.
Modulo Calculator
Compute a mod b as a true non-negative modulo plus the integer quotient.
Fibonacci Calculator
Get the nth Fibonacci number and the full sequence up to term n.
Triangle Calculator
Calculate the area and perimeter of a triangle from base and height or three sides.
Sphere Calculator
Calculate the volume and surface area of a sphere from its radius.
Cylinder Calculator
Calculate the volume and total surface area of a cylinder from radius and height.
Cone Calculator
Calculate the volume, slant height, and surface area of a cone.
Rectangular Prism Calculator
Calculate the volume and surface area of a rectangular prism (box).
Distance Between Points
Calculate the Euclidean distance between two points on a plane.
Midpoint Calculator
Find the midpoint between two points on a coordinate plane.
Slope Calculator
Calculate the slope, angle, and y-intercept of a line through two points.
Prime Factorization Calculator
Break any integer down into its prime factors, shown as multiplication and exponent form.
Mean, Median & Mode Calculator
Enter a list of numbers and instantly get mean, median, mode, range, sum, and count.
2x2 Matrix Calculator
Add, subtract, multiply two 2x2 matrices, and find the determinant and inverse of matrix A.
Trigonometry Calculator
Compute sine, cosine, tangent, their reciprocals, and inverse trig functions for any angle.
Significant Figures Counter
Count the significant figures in any number and round it to a chosen number of sig figs.