Math Calculators

Full-featured scientific calculator with trig, log, and more.

Add, subtract, multiply, and divide fractions.

Calculate percentages, increases, and decreases.

Generate random numbers within a range.

Calculate percent error between expected and actual values.

Calculate powers and roots of numbers.

Perform arithmetic in binary number system.

Calculate radioactive decay and half-life problems.

Solve quadratic equations using the quadratic formula.

Arithmetic and conversion in hexadecimal.

Simplify ratios and solve proportions.

Calculate logarithms in any base.

Find square roots, cube roots, and nth roots.

List all factors of a number.

Find the GCF of two or more numbers.

Find the LCM of two or more numbers.

Round numbers to any decimal place.

Convert to/from scientific notation and perform operations.

Perform matrix addition, multiplication, and inversion.

Arithmetic with very large integers.

Calculate mean, variance, and standard deviation.

Find patterns in arithmetic and geometric sequences.

Determine required sample size for surveys.

Descriptive statistics: mean, median, mode, range.

Calculate probabilities for various events.

Find central tendency and spread of data sets.

Calculate confidence intervals for population means.

Calculate permutations (nPr) and combinations (nCr).

Calculate z-scores and standard normal probabilities.

Solve triangles by sides and angles.

Calculate slope, intercept, and distance between points.

Find the volume of 3D shapes.

Calculate the area of various 2D shapes.

Find distance between two points in 2D or 3D.

Calculate area, circumference, diameter, and radius.

Solve right triangles using the Pythagorean theorem.

Calculate surface area of 3D geometric shapes.

Solve right triangles given sides or angles.