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.