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Calculator-Cloud

Math Calculators

93 calculators for percentages, algebra, geometry, statistics, measurement, and classroom problem solving.

Start with the core math tools first, then filter by topic when you need a more specialized solver, converter, or formula calculator.

Percentage Calculator
Solve percentage increase, decrease, and part-of-whole questions quickly.
Math
Linear Equations Calculator
Solve single linear equations and 2x2 systems with clear worked outputs.
Math
Ratio Calculator
Simplify, compare, and scale ratios for recipes, mixtures, and proportional reasoning.
Math
Scientific Notation Converter
Convert between standard numbers and scientific notation in both directions.
Math
Distance Formula Calculator
Compute 2D point-to-point distance and check coordinate geometry work.
Math
GCD and LCM Calculator
Find greatest common divisors and least common multiples for whole numbers.
Math
Matrix Calculator
Work with matrix arithmetic, inverses, and determinant-related operations.
Math
Modulo Calculator
Compute remainders and modular relationships for arithmetic and coding tasks.
Math
Vertex Form Calculator
Convert quadratic equations from standard form (ax² + bx + c) to vertex form. Find the vertex coordinates (h, k) and axis of symmetry instantly.
Math
Vector Calculator
Calculate dot product, cross product, magnitude, unit vectors, angles, and projections for 3D vectors.
Math
Unit Vector Calculator
Calculate the unit vector (normalized vector) from any 2D or 3D vector. Get step-by-step solutions with magnitude and direction.
Math
Trigonometry Calculator
Calculate sine, cosine, tangent, and their reciprocals instantly. Enter any angle in degrees or radians to get all six trigonometric function values.
Math
Synthetic Division Calculator
Perform synthetic division of polynomials quickly and easily. Enter your polynomial coefficients and divisor to get instant results.
Math
Summation Calculator
Calculate the sum of any series from i=a to n. Supports linear (i), quadratic (i squared), cubic (i cubed), exponential (2^i), and custom expressions.
Math
Standard Deviation Calculator
Calculate the mean, variance, and standard deviation of your data set instantly. Supports both population and sample calculations.
Math
Square Root Calculator
Calculate square roots and nth roots of any number instantly. Enter your number and root value to see the result with full precision.
Math
Slope-Intercept Form Calculator
Calculate slope-intercept form (y = mx + b) from two points instantly. Get step-by-step solutions and visualize your linear equation.
Math
Significant Figures Calculator
Count significant figures, round numbers to specified precision, and see step-by-step breakdowns of which digits are significant.
Math
Scientific Notation Converter
Convert numbers between standard form and scientific notation instantly. Perfect for science, engineering, and mathematics calculations.
Math
Roman Numeral Converter
Convert between decimal numbers and Roman numerals instantly. Perfect for students, educators, and history enthusiasts.
Math
Quadratic Formula Calculator
Solve any quadratic equation in the form ax² + bx + c = 0. Enter your coefficients to find the roots instantly.
Math
Pythagorean Theorem Calculator
Calculate the hypotenuse or any side of a right triangle instantly. Enter two sides and get the third side with unit conversions.
Math
Pythagorean Theorem Calculator
Calculate any side of a right triangle using a² + b² = c². Enter any two values to find the third.
Math
Proportion Calculator
Solve proportions and find missing values instantly. Enter any three values to calculate the fourth using cross multiplication.
Math
Prime Factorization Calculator
Find the prime factorization of any positive integer instantly. See the complete breakdown with step-by-step division process.
Math
Polynomial Roots Calculator
Find the roots (zeros) of quadratic and cubic polynomials instantly. Get step-by-step solutions with real and complex roots.
Math
Polar to Cartesian Converter
Convert polar coordinates (r, theta) to Cartesian coordinates (x, y) instantly. Essential for trigonometry, physics, and engineering calculations.
Math
Percentile Calculator
Calculate percentiles easily and accurately. Analyze data sets, compare performance, and make informed decisions using statistical percentile rankings.
Math
Polynomial Equation Solver
Calculate the roots of quadratic polynomial equations quickly and accurately. Perfect for students, teachers, and professionals.
Math
Matrix Inverse Calculator
Calculate the inverse of a 2x2 matrix instantly. Enter your matrix elements and get step-by-step solutions.
Math
Matrix Determinant Calculator
Calculate the determinant of 2x2 or 3x3 matrices instantly. Get step-by-step solutions and understand the calculation process.
Math
Hexadecimal Calculator
Perform addition, subtraction, multiplication, and division with hexadecimal (base-16) numbers. Get instant results with decimal and binary conversions.
Math
Geometric Sequence Calculator
Calculate the nth term, sum of n terms, and generate geometric sequences instantly. Get step-by-step solutions with formulas explained.
Math
GCD and LCM Calculator
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two numbers instantly with step-by-step solutions.
Math
Fraction Simplifier Calculator
Instantly reduce any fraction to its lowest terms. Enter your numerator and denominator to simplify using the Greatest Common Divisor (GCD) method.
Math
Fibonacci Sequence Generator
Generate Fibonacci sequences instantly. Enter the number of terms you want and explore the mathematical pattern found throughout nature.
Math
Eigenvalue Calculator
Calculate eigenvalues, eigenvectors, and characteristic polynomials for 2x2 matrices with step-by-step solutions.
Math
Dot Product Calculator
Calculate the dot product (scalar product) of two vectors in 2D or 3D space. Get instant results with step-by-step solutions.
Math
Distance Formula Calculator
Calculate the distance between two points in 2D or 3D space using the Euclidean distance formula. Get step-by-step solutions instantly.
Math
Discriminant Calculator
Calculate the discriminant (b² - 4ac) to determine the nature of roots for any quadratic equation ax² + bx + c = 0.
Math
Determinant Calculator
Calculate the determinant of 2x2, 3x3, 4x4, and 5x5 matrices instantly with step-by-step explanations.
Math
Decimal to Fraction Converter
Convert any decimal number to a fraction in simplest form instantly. See the step-by-step process and verify your math homework.
Math
Cross Product Calculator
Calculate the cross product of two 3D vectors instantly. Get the resulting vector, magnitude, and step-by-step solution.
Math
Completing the Square Calculator
Convert quadratic equations from standard form (ax² + bx + c) to vertex form a(x - h)² + k instantly with step-by-step solutions.
Math
Combination Calculator (nCr)
Calculate the number of ways to choose r items from n items without regard to order. Perfect for probability, statistics, and combinatorics problems.
Math
Cartesian to Polar Converter
Convert rectangular coordinates (x, y) to polar coordinates (r, theta). Get instant results with step-by-step calculations.
Math
Binomial Distribution Calculator
Calculate exact, cumulative, and tail probabilities for binomial experiments. Find mean, variance, and standard deviation instantly.
Math
Binary Converter Calculator
Convert between binary (base 2), decimal (base 10), octal (base 8), and hexadecimal (base 16) number systems instantly.
Math
Average Word Length Calculator
Calculate the average length of words in any text. Analyze language patterns, improve readability, and optimize your writing for better engagement.
Math
Average Calculator
Calculate the mean, median, mode, and range of any data set. Get step-by-step solutions and understand central tendency measures instantly.
Math
Arithmetic Sequence Calculator
Calculate any term, sum of terms, and explore arithmetic progressions with step-by-step solutions.
Math
Area & Perimeter Calculator
Calculate the area and perimeter of rectangles, circles, triangles, and trapezoids instantly. Perfect for students, engineers, and DIY projects.
Math
Arc Length Calculator
Calculate the length of an arc using radius and central angle. Supports both degrees and radians with step-by-step solutions.
Math
Antilog Calculator
Calculate antilogarithms (inverse logarithms) instantly. Find the value of any base raised to a power with step-by-step solutions.
Math
Angle Between Vectors Calculator
Calculate the angle between two 2D vectors using the dot product formula. Get instant results in degrees and radians.
Math
Absolute Value Calculator
Calculate the absolute value of any number instantly. Get the distance from zero on the number line.
Math
Modulo Calculator
Calculate the remainder of any division operation instantly. Enter your dividend and divisor to find the modulo result with step-by-step explanation.
Math
Matrix Calculator
Perform matrix operations including addition, subtraction, multiplication, transpose, and determinant calculations. Supports matrices up to 5x5.
Math
Secant Method Root Finder Calculator
Find real roots of quadratic functions via secant iteration using two starting guesses and tolerance.
Math
Newton Forward Interpolation Calculator
Estimate intermediate y-values on equally spaced x data using Newton forward finite-difference interpolation.
Math
Linear Equations Solver Calculator
Solve one-variable equations and 2x2 systems with determinant, verification, and structure checks.
Algebra Solver
Scientific Calculator
Advanced scientific calculations with trigonometric functions.
Scientific
Liquid Calculator
Convert liquid measurements and volumes.
Conversion
Binary Calculator
Convert between binary, decimal, and hexadecimal.
Conversion
Rounding Calculator
Round numbers to specified decimal places.
Math
Root Calculator
Calculate square roots, cube roots, and nth roots.
Math
Mean, Median, Mode Calculator
Calculate central tendency measures for data sets.
Statistics
Hex Calculator
Perform calculations with hexadecimal numbers.
Programming
Hex Converter
Convert between hexadecimal and other number systems.
Programming
Factorial Calculator
Calculate factorials and permutations.
Math
Prime Number Calculator
Check if numbers are prime and find prime factors.
Math
Quadratic Equation Calculator
Solve quadratic equations and find roots.
Algebra
Geometry Calculator
Calculate geometric properties and measurements.
Geometry
Exponent Calculator
Calculate powers and exponential expressions.
Math
Complex Number Calculator
Perform calculations with complex numbers.
Math
Differential Equation Calculator
Solve differential equations step by step.
Calculus
Triangle Calculator
Calculate triangle properties and measurements.
Geometry
Percentage Calculator
Calculate percentages and percentage changes.
Math
Ratio Calculator
Calculate ratios and proportions.
Math
Permutation & Combination Calculator
Calculate permutations and combinations.
Statistics
Probability Calculator
Calculate probabilities and odds.
Statistics
Matrix Calculator
Perform matrix operations and calculations.
Linear Algebra
Set Theory Calculator
Perform set operations and calculations.
Math
Golden Ratio Calculator
Calculate the golden ratio (φ) and explore its mathematical properties.
Math
E = mc² Calculator
Calculate Einstein's mass-energy equivalence equation.
Physics
Linear Interpolation Calculator
Calculate values between two known data points using linear interpolation.
Math
Vector Calculator
Perform vector operations including addition, subtraction, dot and cross products.
Linear Algebra
Coordinate Distance Calculator
Calculate distance between two points in 2D or 3D space.
Geometry
Slope Calculator
Calculate slope, intercept, and equation of a line from two points.
Algebra
Midpoint Calculator
Calculate the midpoint between two coordinate points.
Geometry
Circle Calculator
Calculate circle area, circumference, diameter, and radius.
Geometry
Sphere Calculator
Calculate sphere volume, surface area, and diameter.
Geometry
Cylinder Calculator
Calculate cylinder volume, surface area, and lateral area.
Geometry
Cone Calculator
Calculate cone volume, surface area, and slant height.
Geometry
Pyramid Calculator
Calculate pyramid volume, surface area, and height.
Geometry
Logarithm Calculator
Calculate log base 10, natural log, and custom bases.
Algebra
Standard Deviation Calculator
Calculate population and sample standard deviation.
Statistics
Variance Calculator
Calculate population and sample variance.
Statistics
Z-Score Calculator
Calculate and interpret z-scores for data analysis.
Statistics
Correlation Calculator
Calculate Pearson correlation coefficient.
Statistics
Linear Regression Calculator
Calculate best fit line equation from data points.
Statistics
Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0.
Algebra
GCD Calculator
Calculate greatest common divisor of numbers.
Number Theory
LCM Calculator
Calculate least common multiple of numbers.
Number Theory
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Arithmetic
More Calculators