Our collection of math calculators provides instant, step-by-step solutions for everything from foundational arithmetic to advanced calculus. Designed for students, educators, and professionals worldwide, these free tools deliver accurate answers for algebra, geometry, trigonometry, and matrix operations to simplify complex problem-solving.
Use our free Golden Ratio Calculator to find missing lengths (A, B, or total). Learn the golden ratio formula, its link to Fibonacci, and real-world uses.
Calculate percentage increases, decreases, and changes with professional accuracy. Features reverse calculations, multi-value comparisons, and step-by-step solutions.
Calculate percentages, percentage increase, decrease, and more.
Advanced scientific calculator with trigonometric and logarithmic functions.
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Calculate triangle area, perimeter, and angles from various inputs.
Calculate area of various shapes including rectangles, circles, triangles.
Professional circle calculator with 4 modes (circumference, diameter, radius, area) and 5 unit systems. Features real-time calculations, visual representation, formula breakdowns, and comprehensive conversions.
Calculate volume of 3D shapes like cubes, spheres, cylinders.
Solve quadratic equations using the quadratic formula.
Professional partial fraction decomposition calculator with real-time results, step-by-step solutions, and support for all factor types (linear distinct, linear repeated, quadratic distinct, quadratic repeated). Essential for calculus integration, Laplace transforms, and control systems.
Calculate slope and equation of a line from two points.
Calculate circle area, circumference, and diameter from radius.
Generate random numbers within specified ranges.
Find patterns and next numbers in arithmetic and geometric sequences.
Calculate powers and exponents with step-by-step solutions.
Convert between binary, decimal, and perform binary arithmetic.
Convert hexadecimal numbers and perform hex arithmetic.
Calculate natural logarithms, common logarithms, and custom bases.
Find the least common multiple of numbers.
Find the greatest common factor of numbers.
Find all factors of a given number.
Find the prime factorization of a number.
Round numbers to specified decimal places or significant figures.
Perform matrix operations including addition, multiplication, and determinant.
Convert numbers to and from scientific notation.
Perform basic arithmetic operations.
Perform long division with step-by-step solution.
Calculate missing sides of right triangles using Pythagorean theorem.
Calculate all properties of right triangles.
Calculate permutations and combinations.
Calculate and simplify ratios and proportions.
Calculate distance between two points in 2D or 3D space.
Calculate surface area for various 3D shapes.
Calculate nth roots of numbers.
Find square roots with ± answers, simplified radicals, and squares.
Perform arithmetic with very large numbers.
Find common factors between numbers.
Free online tally counter with multiple counters, goal tracking, keyboard shortcuts, undo, sound effects, and data export. Count people, events, workouts, inventory, and more with unlimited counters.