ganak.appMath Calculators
49 calculators · Updated Apr 2026
Solve everyday math problems with calculators for percentages, interest, averages, fractions, and ratios. Each tool shows step-by-step workings so you can understand the result.
Popular in Math
Percentage Calculator
All-in-one percentage calculator: find % of a number, what percent one value is of another, % increase/decrease, and reverse percentage. Step-by-step solutions.
Compound Interest Calculator
Calculate compound interest with annual, quarterly, monthly, daily, or continuous compounding. See how your money grows over time with interactive charts.
Average Calculator
Calculate average, weighted average, median, mode, range, and standard deviation. Supports simple and weighted averages with step-by-step breakdowns.
All Math Calculators
Percentage Change Calculator
Calculate percentage increase or decrease between two values. Find growth rates, price changes, and YoY comparisons. Formula: ((New - Old) / Old) × 100.
Percentage Difference Calculator
Calculate percentage difference between two numbers using the average method. Compare prices, salaries, or measurements. Formula: |A - B| / ((A + B) / 2) × 100.
Reverse Percentage Calculator
Find the original price before a percentage was added or removed. Calculate pre-discount prices, pre-tax amounts, and base values. Shows working formula.
Simple Interest Calculator
Calculate simple interest, total amount, and daily interest for loans or savings. Enter principal, rate, and time period to see results instantly.
IQR Calculator
Free IQR calculator. Enter data to find interquartile range, Q1, Q3, five-number summary, and outliers. Step-by-step solution with box plot visualization.
Quartile Calculator
Free quartile calculator. Enter data to find Q1, Q2, Q3, five-number summary, IQR, and percentiles. Compare 3 methods with step-by-step solution and box plot.
Median Calculator
Free median calculator. Enter numbers to find median, mean, mode, quartiles, IQR, and outliers. Step-by-step solution with visual box plot for any dataset.
Mean Calculator
Free mean calculator for arithmetic, geometric, harmonic, RMS, and trimmed mean. Step-by-step formulas with comparison charts and mean inequality.
Standard Deviation Calculator
Calculate population and sample standard deviation, variance, quartiles, and Z-scores. Step-by-step formulas with distribution histogram. Free statistics tool.
Derivative Calculator
Free derivative calculator with step-by-step solutions. Compute derivatives of polynomials, trig, exponential, and log functions with interactive graph.
Integral Calculator
Free integral calculator with step-by-step solutions. Compute indefinite and definite integrals with interactive graph, common formulas, and numerical methods.
Algebra Calculator
Free algebra calculator with step-by-step solutions. Solve linear, quadratic, and systems of equations. See roots, vertex, factored form, and graphs.
Fraction Calculator
Add, subtract, multiply, and divide fractions and mixed numbers with step-by-step solutions. Simplify to lowest terms and convert to decimals.
Weighted Average Calculator
Calculate weighted average with value-weight pairs, grade credit hours, or percentage weights. Compare weighted vs simple average with step-by-step formulas.
Golden Ratio Calculator
Calculate golden ratio segments, generate rectangles, create phi-based typography scales, and build Fibonacci sequences. Interactive visualizations included.
Ratio Calculator
Simplify ratios, solve proportions, scale ratios, and compare for equivalence. Supports 2-term and 3-term ratios with step-by-step solutions and visual bars.
Pythagorean Theorem Calculator
Free Pythagorean theorem calculator. Enter any 2 sides to find the missing side, angles, area, and perimeter. Step-by-step solution with dynamic diagram.
Triangle Calculator
Free triangle calculator. Enter 3 known values to find all sides, angles, area, and perimeter. Supports SSS, SAS, ASA, AAS, and SSA with steps.
Square Root Calculator
Calculate square roots, cube roots, and nth roots. Simplify radicals to exact form, view prime factorization, and get step-by-step solutions.
Interest Rate Calculator
Calculate interest rate, monthly payment, loan amount, or term for any fixed-rate loan. See total interest, amortization schedule, and rate comparisons.
Rounding Calculator
Round numbers to any decimal place or significant figures. Supports 9 rounding modes including banker's rounding. Compare results across methods.
Long Division Calculator
Free long division calculator with step-by-step work. See quotient, remainder, decimal form with repeating detection, and visual solution.
LCM Calculator
Find the LCM of two or more numbers using prime factorization and listing methods. Also shows GCD, prime factors, and the LCM-GCD relationship.
Slope Calculator
Calculate slope from two points, find angle, percentage grade, and line equations. Interactive graph with step-by-step solutions, distance, and midpoint.
Quadratic Formula Calculator
Solve any quadratic equation (ax² + bx + c = 0). Find roots, discriminant, vertex, and parabola graph with steps. Real and complex roots.
Circumference Calculator
Calculate circumference from radius, diameter, or area. Reverse-calculate any circle property with step-by-step solutions and results in terms of π.
Log Calculator
Free log calculator for any base. Compute logarithms, anti-logs, and change of base with step-by-step solutions. Supports log₂, ln, log₁₀, and custom bases.
Probability Calculator
Free probability calculator: single event, two events (joint, union, conditional), repeated trials, and Bayes' theorem. Steps and Venn diagrams.
Factoring Calculator
Free factoring calculator. Factor quadratic, cubic, and quartic polynomials step by step. Also find prime factorization and factor pairs of any number.
Modulo Calculator
Free modulo calculator with step-by-step proof. Calculate a mod n, see quotient and remainder, compare math vs. programming conventions.
Exponent Calculator
Calculate any exponent with step-by-step solutions. Supports positive, negative, zero, and fractional exponents. Decimal and scientific notation.
Volume Calculator
Calculate volume for 10 shapes: cubes, cylinders, spheres, cones, pyramids, and more. Results in ft³, m³, liters, and gallons with surface area.
Speed Calculator
Calculate speed, distance, or time instantly. Get results in mph, km/h, m/s, knots, and running pace with step-by-step solutions and unit conversions.
Percentile Calculator
Free percentile calculator: find the P-th percentile from a dataset, calculate percentile rank of a value, or convert between z-scores and percentiles. Step-by-step solutions.
Z-Score Calculator
Free z-score calculator. Compute z-scores from raw values, find probabilities from z-scores, or convert p-values back to z. Sample z-score, percentile, and tail areas.
Matrix Calculator
Free matrix calculator. Multiply matrices, find determinants, inverses, transpose, RREF, rank, and eigenvalues for 2×2, 3×3, and 4×4 matrices.
Sample Size Calculator
Free sample size calculator for surveys, A/B tests, and statistical studies. Find the minimum sample size using Cochran's formula with confidence level, margin of error, and power analysis.
Significant Figures Calculator
Free significant figures calculator. Count sig figs in any number, round to N significant figures, or perform arithmetic with proper sig fig rules. Step-by-step explanations.
Scientific Notation Calculator
Free scientific notation calculator: convert numbers, add/subtract/multiply/divide in scientific notation with step-by-step solutions. E-notation, engineering & standard form output.
Exponential Growth Calculator
Free exponential growth and decay calculator. Solve for final value, initial value, growth rate, or time. Supports discrete and continuous compounding with step-by-step formula, doubling time, and interactive growth curve chart.
Synthetic Division Calculator
Free synthetic division calculator with step-by-step solutions. Divide polynomials by (x − c), find quotient and remainder, and verify with the Remainder Theorem.
Fibonacci Calculator
Free Fibonacci calculator: find the nth Fibonacci number, generate sequences, or check if a number is Fibonacci. Supports Lucas numbers, negative indices, BigInt precision up to F(10,000), and golden ratio convergence.
Inverse Function Calculator
Free inverse function calculator: find the inverse of linear, rational, quadratic, exponential, logarithmic, square root, and cubic functions. Step-by-step solution, interactive graph, domain/range analysis, and verification.
Rational Expressions Calculator
Free rational expressions calculator with step-by-step solutions. Simplify, add, subtract, multiply, and divide rational expressions. Shows domain restrictions and factored forms.
T-Test Calculator
Free t-test calculator. Run one-sample, two-sample (Student or Welch's), and paired t-tests. Get t-statistic, p-value, degrees of freedom, critical values, confidence interval, and Cohen's d effect size.
Common Denominator Calculator
Free common denominator calculator. Find the least common denominator (LCD) of two or more fractions, convert to equivalent fractions, and see step-by-step prime factorization solutions.
Why Use Math Calculators?
Math shows up everywhere — calculating discounts, splitting bills, checking interest rates, or working through school assignments. These calculators don't just give you the answer; they show step-by-step workings so you can understand the process. Whether you are a student, professional, or just need a quick calculation, these tools save time and build confidence.