Percentage Calculator
Calculate percentages, percentage change, and more
Pythagorean Theorem
Calculate sides of a right triangle using a² + b² = c²
Fraction Calculator
Add, subtract, multiply, and divide fractions
Quadratic Equation
Solve quadratic equations and find roots
GCD & LCM
Find greatest common divisor and least common multiple
Exponent Calculator
Calculate powers and exponents
Square Root
Calculate square roots and nth roots
Circle Calculator
Calculate area, circumference, and diameter of circles