Math Calculators
Use these calculators for algebra, calculus, geometry, statistics, coordinate math, scientific notation, and number-base conversions.
The cluster is designed for U.S. students, parents, teachers, and everyday users who want fast classroom-friendly results without leaving the browser.
Every page includes a short explanation, result breakdown, example, related calculators, and a reminder of the main assumptions.
General Math
Algebra & Calculus
Graphing Calculator
Plot a function over an x-range and review sample points for algebra and precalculus graphing practice.
Integral Calculator
Estimate a definite integral numerically across a chosen interval.
Derivative Calculator
Estimate the slope of a function at a selected x-value using a numerical derivative.
Quadratic Formula Calculator
Solve ax^2 + bx + c = 0 and review the discriminant, roots, and vertex.
Matrix Calculator
Add, subtract, multiply, or find the determinant of 2x2 and 3x3 matrices.
Statistics & Probability
Standard Deviation Calculator
Calculate mean, variance, and sample or population standard deviation from a dataset.
Probability Calculator
Estimate basic probability, independent event probability, or the chance of at least one event happening.
Mean, Median, Mode, Range Calculator
Summarize a dataset with center and spread measures from one list of values.
Permutation and Combination Calculator
Compare ordered arrangements with unordered selections using n and r.
Z-Score Calculator
Convert a value into a z-score and estimate its percentile within a distribution.
Geometry & Measurement
Triangle Calculator
Calculate area, perimeter, semiperimeter, and angles from three side lengths.
Right Triangle Calculator
Solve a right triangle from any two known side lengths and report area, perimeter, and acute angles.
Area Calculator
Find the area of common 2D shapes such as rectangles, triangles, circles, trapezoids, and parallelograms.
Volume Calculator
Calculate the volume of common 3D shapes including prisms, cubes, cylinders, spheres, and cones.
Slope Calculator
Find the slope and y-intercept of the line through two points.
Distance Calculator
Calculate distance and midpoint between two coordinate points.
Circle Calculator
Compute diameter, circumference, and area from a radius.
Pythagorean Theorem Calculator
Solve the missing side of a right triangle with the a^2 + b^2 = c^2 relationship.
Number Systems & Utilities
Scientific Notation Calculator
Convert between ordinary decimal numbers and scientific notation.
Binary Calculator
Convert binary values and perform simple binary addition or subtraction.
Hex Calculator
Convert hexadecimal values and perform simple hexadecimal addition or subtraction.
Random Number Generator
Generate a list of random whole numbers or decimals within a chosen range.
Math Calculator Questions
What can I do with these math calculators?
You can solve expressions, graph functions, work with fractions, derivatives, integrals, matrices, probability, statistics, geometry, coordinate math, number systems, and random number generation.
Are these calculators designed for students in the United States?
Yes. They use plain English, familiar U.S. classroom terminology, and common high school or college math, science, and statistics conventions.
Do the calculus calculators show symbolic steps?
No. The derivative and integral pages in this version focus on numeric estimates and learning support rather than full symbolic computer algebra.
Can I use these pages for homework checks?
Yes. They are great for checking work, reviewing formulas, and trying examples, but you should still show the method required by your teacher or course.
Are the graphing and scientific calculators as advanced as dedicated apps?
They are useful browser-based tools for common classroom tasks, but they are lighter than dedicated graphing software or advanced scientific calculator apps.
Are these results professional engineering or research outputs?
No. These calculators are educational tools for planning and learning. Verify important results with course materials or professional software when precision matters.