Instant cube volume from edge or diagonal, with unit conversion.

Cube Volume Calculator

Instantly convert slope %, angle (°), and ratio (1 in N)

Slope Percentage Calculator

Compute exact combinations C(n,k) with steps, visuals, probability

Binomial Coefficient Calculator

Quickly factor ax² + bx + c and get the roots

Factoring Calculator

Solve force, mass, and acceleration using Newton’s Second Law

Newton’s Second Law Calculator

Find rational zeros using the Rational Root Theorem and synthetic division

Rational Zeros Calculator

Multiply two polynomials and simplify the result step by step

Multiplying Polynomials Calculator

Calculate arc length for circle arcs and curves with unit support

Arc Length Calculator

Compute p-values from Z, t, χ², or F test statistics with one- or two-tailed options

P-Value Calculator

Calculate trig values and solve right triangles in degrees or radians

Trigonometry Calculator

Solve common trigonometric equations step by step in degrees or radians

Trigonometric Equations Solver

Differentiate functions step by step and visualize f(x) and f′(x)

Derivative Calculator

Check if A/B test results are statistically significant

A/B Test Significance Calculator

Calculate velocity using average, instantaneous, acceleration, and 2D vectors

Velocity Calculator

Simplify, expand, factor, and reduce algebraic expressions step by step

Simplify Expression Calculator

Convert circumference, diameter, and radius using π with steps and visuals

Circumference Calculator

Solve right triangles: sides, angles, area, perimeter, steps, visual

Right Triangle Calculator

Build line equations from a point and slope with steps and graph

Point-Slope Form Calculator

Solve 2×2 and 3×3 systems with steps, exact fractions & mini graph

System of Linear Equations Calculator

Compute 2D/3D cross products with steps, magnitude, area & visuals

Cross Product Calculator

Calculate geometric terms, sums, infinite series, and ratios with steps

Geometric Sequence & Series Calculator

Calculate arithmetic terms and sums with steps and exact fractions

Arithmetic Sequence & Series Calculator

Perform matrix operations with steps, exact fractions, and visuals

Matrix Calculator

Solve quadratic equations with exact roots, steps, and graph

Quadratic Equation Calculator

Calculate P(A), P(A ∩ B), P(A ∪ B), and P(A | B) with steps and a Venn visual.

Probability Calculator

Calculate combinations C(n, k) exactly with steps and a Pascal visual

Combination Calculator

Exact permutation, combination, and word-permutation results with BigInt steps

Permutation Calculator

Calculate momentum and impulse with unit conversion, vectors, and steps.

Momentum Calculator

Calculate projectile motion: range, time of flight, max height, target solutions.

Projectile Motion Calculator

Solve constant-acceleration motion using SUVAT equations

SUVAT Calculator

Find doubling time from growth rate or data (N₀→N) with steps & Rule of 70/72

Doubling Time Calculator

Calculate z-scores, percentiles, and reverse-solve x, μ, or σ

Z-Score Calculator

Calculate best-fit line, correlation r, and R² from your data

Linear Regression Calculator

Calculate logarithms in any base with steps and visuals

Logarithm (Log) Calculator

Calculate sample mean probabilities, standard error, and quantiles using CLT

Central Limit Theorem Calculator

Master precalculus concepts — build confidence before calculus begins.

Use free precalculus calculators to solve trigonometric equations, graph functions, and explore limits. Learn faster with step-by-step help and visual explanations.

Precalculus Calculators & Solvers | Free Trig & Function Tools

Get ready for calculus with tools that simplify trigonometry, functions, and limits. Our precalculus calculators help you connect concepts and master fundamentals.

Precalculus Calculators & Solvers

General Chemistry

Jules

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Callie

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Nick

Learn the toughest concepts covered in Calculus with step-by-step video tutorials and practice problems by world-class tutors

Calculus

Learn the toughest concepts covered in Business Calculus with step-by-step video tutorials and practice problems by world-class tutors

Business Calculus

Learn the toughest concepts covered in Business Statistics with step-by-step video tutorials and practice problems by world-class tutors

Business Statistics

Learn the toughest concepts covered in Statistics with step-by-step video tutorials and practice problems by world-class tutors

Statistics

Biochemistry

Macroeconomics

Dive deep into Personal Health with videos, practice problems, and more.

Personal Health

Dive deep into Nutrition with videos, practice problems, and more.

Nutrition

Dive deep into Medical Terminology with videos, practice problems, and more.

Medical Terminology

Dive deep into Sociology with videos, practice problems, and more.

Sociology

Hannah

Dive deep into Beginning Algebra with videos, practice problems, and more.

Beginning Algebra

Dive deep into Intermediate Algebra with videos, practice problems, and more.

Intermediate Algebra

Dive deep into Beginning & Intermediate Algebra with videos, practice problems, and more.

Beginning & Intermediate Algebra

My Courses

College Courses

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Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

Introduction to JavaScript

Michael Hartl

R Programming

Jared P. Lander

Digital Marketing Analytics Beyond Advertising

Digital Marketing

Mike Moran

Project Management

Jeffrey K. Pinto

AI in Marketing

Product & Marketing

Programming

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