Percentage Calculator
What is X% of Y, what % is X of Y, and percent change.
Fraction Calculator
Add, subtract, multiply, and divide two fractions.
Random Number Generator
Generate a random integer between two bounds.
Dice Roller
Roll N dice with X sides.
Average Calculator
Mean, median, mode, and range of any number list.
Standard Deviation Calculator
Population and sample standard deviation.
Ratio Calculator
Simplify, solve, and scale ratios.
Exponent Calculator
Compute base^exponent quickly.
Logarithm Calculator
log base b of x.
Quadratic Equation Solver
Solve ax² + bx + c = 0.
Slope Calculator
Slope, intercept, and distance between two points.
Area Calculator
Area of a rectangle, triangle, or circle.
Volume Calculator
Box, cylinder, or sphere.
Rounding Calculator
Round a number to any decimal place or multiple.