Math Calculators
Solve complex math problems instantly. From basic arithmetic to advanced scientific calculations.
Arithmetic & Algebra
Scientific Calculator
Full-featured scientific calculator.
Percentage Calculator
Calculate percentages, increases, and decreases.
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Ratio Calculator
Simplify, scale, and compare ratios.
Exponent Calculator
Calculate powers, roots, and exponential expressions.
Basic Calculator
Perform basic arithmetic operations.
Root Calculator
Calculate square roots, cube roots, and nth roots.
Quadratic Formula Calculator
Solve quadratic equations and find roots.
Logarithm Calculator
Calculate logarithms with any base.
Rounding Calculator
Round numbers to any precision.
Big Number Calculator
Arithmetic with very large numbers.
Long Division Calculator
Long division with step-by-step solution.
Geometry
Distance Calculator
2D/3D distance and midpoint.
Triangle Calculator
Calculate sides, angles, area, and perimeter of triangles.
Volume Calculator
Calculate volume of common 3D shapes.
Area Calculator
Calculate area of common 2D shapes.
Pythagorean Theorem Calculator
Find missing sides using the Pythagorean theorem.
Circle Calculator
Calculate radius, diameter, circumference, and area.
Slope Calculator
Calculate slope and line equation from two points.
Right Triangle Calculator
Calculate sides, angles, and area of right triangles.
Surface Area Calculator
Calculate surface area of 3D shapes.
Statistics & Probability
Standard Deviation Calculator
Calculate standard deviation, variance, and more.
Mean, Median, Mode Calculator
Find mean, median, mode, and range of a data set.
Statistics Calculator
Comprehensive statistics for any data set.
Probability Calculator
Calculate event and conditional probability.
Percent Error Calculator
Calculate percent error between values.
Average Calculator
Calculate mean, weighted average, and more.
Permutation & Combination Calculator
Calculate permutations and combinations.
Z-Score Calculator
Calculate z-scores and normal distribution probabilities.
Confidence Interval Calculator
Calculate confidence intervals for means and proportions.
Sample Size Calculator
Determine required sample size for studies.
P-Value Calculator
Calculate p-values for hypothesis testing.
Number Theory
Random Number Generator
Generate random numbers within a range.
Greatest Common Divisor
Find the GCD/GCF of two or more numbers.
Least Common Multiple
Find the LCM of two or more numbers.
Scientific Notation Calculator
Convert between standard and scientific notation.
Binary Calculator
Convert and calculate in binary.
Hex Calculator
Convert and calculate in hexadecimal.
Prime Factorization Calculator
Find prime factors of any number.
Factor Calculator
Find all factors and factor pairs.
Number Sequence Calculator
Identify and generate number sequences.
Which Calculator Should I Use?
About Math Calculators
Mathematics is the universal language of science, engineering, finance, and everyday problem-solving. Our math calculators cover everything from basic arithmetic and algebra to geometry, statistics, and number theory. Whether you are a student checking homework, an engineer verifying calculations, or anyone who needs quick and accurate answers, these tools provide step-by-step solutions and clear explanations. Each calculator uses standard mathematical formulas and handles edge cases like division by zero, negative inputs, and irrational results.
Why use these calculators?
- Accurate results based on standard formulas
- Fast and mobile-friendly interface
- Completely free to use with no registration
Best Practices
Always double-check your inputs for accuracy. While our tools are rigorous, for critical financial or health decisions, we recommend consulting with a professional explanation.
Frequently Asked Questions
Can I use the scientific calculator for trigonometry?
Yes, it supports all standard trigonometric functions including sin, cos, tan, and their inverses.
How do I simplify fractions?
Our Fraction Calculator automatically simplifies results to their lowest terms. You can also use the GCD Calculator to find the greatest common divisor and divide both numerator and denominator by it.
What is the difference between permutations and combinations?
Permutations count arrangements where order matters (e.g., rankings). Combinations count selections where order doesn't matter (e.g., committees). Use our Permutation & Combination Calculator to compute both.
How do I calculate a z-score?
A z-score is (value - mean) / standard deviation. It tells you how many standard deviations a value is from the mean. Use our Z-Score Calculator for instant results with normal distribution probabilities.
What is a confidence interval?
A confidence interval is a range of values that likely contains the true population parameter. A 95% confidence interval means that if you repeated the study 100 times, about 95 of those intervals would contain the true value.
Can these calculators handle complex numbers?
The Quadratic Formula Calculator handles complex roots when the discriminant is negative. Most other calculators work with real numbers only.