Calculators
Discover our complete suite of general math calculators designed for accuracy and speed. From percentage increases to complex fraction reductions and statistical averages, solve any mathematical problem with zero friction.
Browse All Tools (32)
100% Free & VerifiedPercentage Calculator
Calculate what is X% of Y, find percentage increase/decrease, and solve percentage differences instantly.
Discount Calculator
Calculate final discounted price, multiple coupon discounts, sales tax, and total money saved.
Average Calculator
Calculate the arithmetic mean, median, mode, range, standard deviation, and sum for any series of numbers.
Ratio Calculator
Solve for the missing value in proportions (A:B = C:D), simplify ratios to lowest terms, and scale proportions.
Fraction Calculator
Perform fraction arithmetic with automatic reduction to lowest terms, mixed numbers, and decimal conversion.
Mixed Number Calculator
Perform arithmetic with mixed numbers and mixed fractions. Converts to improper fractions, reduces to simplest form, and displays decimals.
Proportion Calculator
Solve for the missing value in direct and inverse proportions. Features cross-multiplication derivations and proportionality constants.
Mean Median Mode Calculator
Calculate the mean (average), median (middle value), mode (most frequent), range, and interquartile range with complete frequency tables.
Percentage Change Calculator
Calculate relative percentage increase or decrease from an initial value to a final value with growth multipliers.
Percentage Difference Calculator
Calculate the percentage difference between two numbers when neither is an established baseline or reference value.
Percent Error Calculator
Calculate absolute error, relative error, and percent error between laboratory experimental values and theoretical accepted values.
Exponent Calculator
Calculate powers and exponents (base^exponent). Supports negative exponents, fractional powers, scientific notation, and reciprocal rules.
Square Root Calculator
Calculate the principal square root of any number and simplify non-perfect square radicals into exact simplest radical form (a√b).
Cube Root Calculator
Calculate the real cube root of any number, including negative inputs. Simplifies cubic radicals into exact form (a∛b) and identifies perfect cubes.
Logarithm Calculator
Calculate logarithms with any custom base. Computes natural log (ln x), common log (log10 x), and binary log (log2 x) with change of base rules.
GCD Calculator (Greatest Common Divisor)
Find the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) for two or more integers using the Euclidean Algorithm.
LCM Calculator (Least Common Multiple)
Calculate the Least Common Multiple (LCM) or Lowest Common Denominator (LCD) for two or more integers with step-by-step prime reduction.
Prime Number Calculator
Test whether any integer is a prime number or composite number. Lists all positive divisors and finds the nearest preceding and succeeding primes.
Prime Factorization Calculator
Decompose any integer into its unique prime factors. Displays canonical prime power notation (e.g. 2³ × 3² × 5), expanded products, and divisor counts.
Standard Deviation Calculator
Calculate sample standard deviation (s), population standard deviation (σ), variance, mean, and sum of squared deviations with step-by-step math.
Variance Calculator
Calculate sample variance (s²), population variance (σ²), sum of squares (SS), and arithmetic mean with step-by-step deviation workings.
Probability Calculator
Calculate single-event probability, complement rules, odds in favor/against, union probability, and conditional joint events.
Permutation Calculator (nPr)
Calculate permutations without repetition (nPr = n! / (n-r)!), permutations with repetition (n^r), and circular permutations (n-1)! with steps.
Combination Calculator (nCr)
Calculate combinations without replacement (nCr = n! / (r!(n-r)!)) and combinations with replacement (multichoose) with binomial coefficients.
Sequence Calculator
Identify the pattern in any sequence of numbers. Finds common differences, common ratios, general formulas (a_n), and next predicted terms.
Arithmetic Sequence Calculator
Calculate the nth term (a_n = a_1 + (n-1)d), sum of first n terms (S_n), common difference, and generate the arithmetic progression.
Geometric Sequence Calculator
Calculate the nth term of a geometric progression (a_n = a_1 × r^(n-1)), finite series sum (S_n), and convergent infinite series sum (S_∞).
Linear Equation Calculator
Solve single-variable linear equations of the form ax + b = c with instant step-by-step arithmetic explanations and graph intercepts.
Quadratic Equation Calculator
Solve quadratic equations ax² + bx + c = 0 using the quadratic formula with discriminant analysis, vertex coordinates, and real or complex roots.
Pythagorean Theorem Calculator
Calculate the hypotenuse or missing leg of any right-angled triangle using a² + b² = c² with area, perimeter, and angle calculations.
Triangle Calculator
Solve triangles using 3 sides (SSS) or Base & Height with Heron formula for area, perimeter, semiperimeter, and internal angles.
Scientific Calculator
Perform advanced scientific calculations with trigonometric, logarithmic, exponential, power, factorial, and memory functions in DEG/RAD modes.