Math Calculators
Solve algebra, fractions, percentages, trigonometry, and number theory problems.
56 calculators available
Core Math
Scientific Calculator
Evaluate scientific functions: trig, log, exp, factorial.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Percentage Calculator
Find percentages, increases, and differences between values.
Random Number Generator
Generate random integers or decimals within a specified range.
Percent Error Calculator
Calculate the percent error between an experimental and theoretical value.
Exponent Calculator
Calculate powers and exponential expressions.
Binary Calculator
Convert between binary and decimal, and perform binary arithmetic operations.
Hex Calculator
Convert between hexadecimal and decimal, and perform hex arithmetic.
Half-Life Calculator
Calculate radioactive or exponential decay using half-life.
Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0 using the quadratic formula.
Log Calculator
Calculate logarithms with any base, including common (log₁₀) and natural (ln) logarithms.
Ratio Calculator
Solve and simplify ratios, find equivalent ratios, and scale proportionally.
Root Calculator
Calculate square roots, cube roots, or any nth root of a number.
Least Common Multiple Calculator
Find the least common multiple of two or more numbers.
Greatest Common Factor Calculator
Find the greatest common factor (GCD) of two or more numbers.
Factor Calculator
Find all factors and factor pairs of a given integer.
Rounding Calculator
Round numbers to any decimal place or significant figure.
Matrix Calculator
Calculate the determinant, transpose, and inverse of a 2x2 or 3x3 matrix.
Scientific Notation Calculator
Convert between standard and scientific notation.
Big Number Calculator
Add, subtract, and multiply very large integers that exceed normal calculator limits.
Geometry
Triangle Calculator
Calculate area, perimeter, and properties of a triangle.
Volume Calculator
Calculate volume of cubes, spheres, and cylinders.
Slope Calculator
Calculate the slope, distance, and equation of a line between two points.
Area Calculator
Calculate the area of rectangles, circles, and triangles.
Distance Calculator
Calculate the distance between two points in 2D or 3D space.
Circle Calculator
Calculate circumference, area, diameter, and radius.
Surface Area Calculator
Calculate the surface area of common 3D shapes including spheres, cylinders, cones, and boxes.
Pythagorean Theorem Calculator
Find the missing side of a right triangle.
Right Triangle Calculator
Calculate sides, angles, area, and perimeter of a right triangle given two known values.
Algebra
Absolute Value Calculator
Calculate the absolute value of numbers.
Inequality Solver
Solve linear inequalities of the form ax+b<c.
Logarithm Calculator
Calculate logarithms of any base.
Cubic Equation Calculator
Solve cubic equations ax³+bx²+cx+d=0 and find all real and complex roots.
Square Root Calculator
Find square roots and nth roots of any number.
System of Equations Solver
Solve a 2x2 system of linear equations.
Calculus
Number Theory
Prime Factorization Calculator
Break any number down into its prime factors.
Prime Number Checker
Check if a number is prime and find its prime factorization.
Factorial Calculator
Calculate factorials and double factorials.
Fibonacci Generator
Generate Fibonacci sequence up to n terms.
Series Summation Calculator
Calculate the sum of arithmetic or geometric series.
Common Factor Calculator
Find all common factors shared by two or more numbers.
GCD/LCM Calculator
Find the greatest common divisor and least common multiple of any numbers.
Modulo Calculator
Find the remainder of division between two numbers.
Long Division Calculator
Perform long division with complete step-by-step working showing quotient and remainder.
Decimal to Fraction
Convert decimal numbers to fractions and mixed numbers.
Proportion Calculator
Solve proportions and find unknown values.
Basic Calculator
Perform addition, subtraction, multiplication, and division with step-by-step results.
Trigonometry & Number Systems
Advanced
About Math Calculators
Solve algebra, fractions, percentages, trigonometry, and number theory problems. CALTRX provides 56 free math calculators with step-by-step explanations, formulas, real-world examples, and expert tips. Every calculator is designed for clarity and accuracy, helping you understand not just the answer but the reasoning behind it.