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Home/Calculators/Math & Science
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31 Free Tools ยท Instant Results

Free Online Math & Science Calculators

From quick percentage calculations to solving quadratic equations โ€” our math tools provide step-by-step solutions with visual graphs, making complex calculations understandable for everyone.

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31+
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3
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Most Popular

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Percentage Calculator
6 simultaneous modes: X% of Y, what %, change, increase & decrease
Popular
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Scientific Calculator
Expression parser with trig, log, exp, history & DEG/RAD toggle
Popular
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Triangle Calculator
Solve any triangle โ€” sides, angles, area, perimeter (SSS, SAS, ASA, AAS)
Popular
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Recently Added

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Area CalculatorNew
Area & perimeter of 5 shapes: rectangle, circle, triangle, square, trapezoid
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Prime Number CheckerNew
Instant prime check with factors and first 25 primes reference
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Logarithm CalculatorNew
Calculate log base 2, 10, e, and any custom base with step-by-step solution
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Ratio CalculatorNew
Simplify ratios, find missing values, and scale recipes or mixtures
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LCM & GCF CalculatorNew
Least Common Multiple and Greatest Common Factor with step-by-step solution
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Factor CalculatorNew
All factors and prime factorization of any integer with visual breakdown
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Volume CalculatorNew
Volume of cube, sphere, cylinder, cone and other 3D shapes
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Triangle CalculatorNew
Solve any triangle โ€” sides, angles, area, perimeter (SSS, SAS, ASA, AAS)
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Circle CalculatorNew
Circumference, area, diameter and arc length from radius or diameter
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Z-Score CalculatorNew
Standardize data points with Z-score, percentile rank and normal distribution
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Permutation & CombinationNew
nPr and nCr calculations with factorial steps and formula explanation
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Average CalculatorNew
Mean, weighted mean, and running average for any dataset
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Matrix CalculatorNew
Matrix addition, subtraction, multiplication, determinant and inverse operations
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Linear Equation SolverNew
Solve single and system of linear equations with step-by-step solution
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Random Number GeneratorNew
Generate random integers or decimals with custom range and count
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Percent Error CalculatorNew
Calculate percent error between experimental and theoretical values
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Surface Area CalculatorNew
Surface area of 6 3D shapes: cube, sphere, cylinder, cone, pyramid and rectangular prism
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Exponent CalculatorNew
Calculate base raised to any power with scientific notation output and step-by-step display
โˆš
Root CalculatorNew
Calculate nth root of any number with Newton's method steps and verification
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Binary CalculatorNew
Binary arithmetic (add, subtract, multiply) with step-by-step conversion and multi-base output
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Number SequenceNew
Arithmetic, geometric and Fibonacci sequences with nth term formula, sum formula and first 10 terms
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Probability CalculatorNew
Single and compound event probability (AND/OR) with odds, complement and expected value
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Confidence IntervalNew
Confidence interval for sample data with margin of error and statistical interpretation
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Sample Size CalculatorNew
Required sample size for surveys and A/B tests by confidence level and margin of error
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Distance CalculatorNew
2D distance between two coordinates with midpoint, slope and line equation

All Math & Science Tools

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Statistics Calculator
Mean, median, mode, std dev, IQR, quartiles & histogram
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Quadratic Formula
Solve axยฒ+bx+c=0 with roots, vertex & parabola chart
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Pythagorean Theorem
Find any triangle side with area and perimeter
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Fraction Calculator
Add/subtract/multiply/divide with simplified result & mixed number

Why Our Math & Science Tools?

๐Ÿ’ฏ
Percentage Tools
6 simultaneous modes: X% of Y, what %, increase, decrease, change, and reverse.
๐Ÿ”ฌ
Scientific Calculator
Full expression parser with trig, logarithms, exponents, and calculation history.
๐Ÿ“Œ
Algebra & Geometry
Quadratic formula, Pythagorean theorem, area calculator with visual diagrams.
๐Ÿ“‰
Statistics
Mean, median, mode, standard deviation, IQR, quartiles, and histogram visualization.

Math calculators serve students, teachers, engineers, and professionals. Our percentage calculator alone handles 6 simultaneous calculation modes โ€” far beyond what Calculator.net offers.

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๐Ÿ’ฐ Finance & Moneyโค๏ธ Health & Fitness๐ŸŽ“ Education & GPA๐Ÿ”„ Unit Converters๐Ÿ  Everyday Tools๐Ÿ—๏ธ Construction๐Ÿ’ป Technology๐Ÿ“Š Business