Compute % w/w, % w/v, % v/v—solve any missing value fast

Mass Percent Calculator

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

Binomial Coefficient Calculator

Compute % increase/decrease with steps and visuals; solve new/original

Percentage Increase Calculator

Factor any polynomial - GCF, quadratics, and cubics - and see the roots

Factoring Calculator

Reduce fractions to lowest terms with steps and alternate forms

Simplify Fractions Calculator

Multiply two polynomials and simplify the result step by step

Multiplying Polynomials Calculator

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

Simplify Expression Calculator

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

Point-Slope Form 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

Solve quadratic equations with exact roots, steps, and graph

Quadratic Equation 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 final price, savings, and discount percent for any deal.

Discount Calculator

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

Doubling Time Calculator

Calculate logarithms in any base with steps and visuals

Logarithm (Log) Calculator

Calculate tip, total, and per-person split (with tax, rounding, and amount mode)

Tip Calculator

Calculate percent error between experimental and accepted values

Percent Error Calculator

Solve rational equations with domain restrictions, LCD clearing, extraneous checks

Rational Equation Solver

Find domain and range of common functions with clear steps + number-line visual

Domain and Range Calculator

Identify and convert circle, parabola, ellipse, and hyperbola equations with steps

Conic Sections Calculator

Calculate simple, compound, and continuous interest. Solve for amount, rate, time, or contributions

Interest Calculator

Calculate percentages instantly: increase, decrease, and percent of another number

Percentage Calculator

Calculate fractions step by step with mixed numbers, decimals, LCD/LCM, comparisons, and conversions

Fraction Calculator

Solve algebra equations step by step with checks, visuals, and multiple equation types

Equation Solver

Graph functions, compare equations, trace coordinates, and explore graph features step by step

Graphing Calculator

Calculate binomial probabilities, expected values, cumulative probabilities, and exact success outcomes

Binomial Distribution Calculator

Calculate Poisson probabilities, expected event counts, cumulative probabilities, and rare event outcomes

Poisson Distribution Calculator

Find slope, line equations, intercepts, and graph linear equations with steps

Slope / Slope-Intercept Calculator

Solve linear, compound, quadratic, rational, and absolute value inequalities with steps and graphs

Inequality Solver

Calculate powers, simplify exponents, and learn exponent rules with visual step-by-step solutions

Exponent Calculator

Add, subtract, multiply, and divide complex numbers — with Argand diagrams and step-by-step solutions

Complex Numbers Calculator

Find the GCF and LCM of numbers, simplify fractions, or add fractions using the LCD - with visuals

GCF & LCM Calculator

Calculate and simplify square roots, cube roots, and any nth root — with prime factorization and step-by-step solutions

Root Calculator (Square, Cube & Nth Roots)

Multiply two binomials with FOIL, spot perfect squares and differences of squares - with visual diagrams and steps

FOIL Calculator (Binomial Multiplication)

Solve quadratics, convert to vertex form, or compare with the quadratic formula - with area and parabola diagrams

Completing the Square Calculator

Find the discriminant of a quadratic, cubic, or conic equation to classify its roots or curve shape

Discriminant Calculator

Evaluate expressions, solve equations and inequalities, find distance and midpoint, and graph |x| - with visuals

Absolute Value Calculator

Solve linear systems, already-solved equations, and line-parabola systems by substitution — with graphs and steps

Substitution Method Calculator

Solve 2×2 and 3×3 linear systems by elimination - with tableau steps, a cascade diagram, and answer verification

Elimination Method Calculator

Convert terminating and repeating decimals to fractions, or fractions to decimals, with step-by-step visuals

Decimal to Fraction Calculator

Rationalize denominators with single radicals, binomial conjugates, two-radical conjugates, or higher-order roots — step by step

Rationalize Denominator Calculator

Split mixed costs into fixed and variable components, predict costs from a budget, and test the method against real data

High-Low Method Calculator

Find the constant of variation and missing values for basic, power, joint, and data-table direct variation problems

Direct Variation Calculator

Add or subtract polynomials with sign distribution, a column visual, numeric spot-check, and degree classification

Polynomial Addition & Subtraction Calculator

Evaluate f(x) by direct substitution at a number, a piecewise rule, a table of values, or f(a) vs. f(a+h)

Function Evaluator (f(x) Calculator)

Simplify, multiply, divide, add, subtract, solve, and find the domain of rational expressions — with full steps

Rational Expression Calculator

Solve algebra problems step by step - from equations to graphs and beyond.

Free calculators for Beginning & Intermediate Algebra - solve equations, factor polynomials, graph functions, and work with radicals, logarithms, and quadratics. Step-by-step help, fast.

Beginning & Intermediate Algebra Calculators & Converters | Free Online Tools

Whether you're solving equations, factoring polynomials, graphing functions, or mastering logarithms, our Beginning & Intermediate Algebra calculators break complex problems into clear, step-by-step solutions.

Beginning & Intermediate Algebra Calculators & Converters

Need help with chemical reactions, molecular structures, or exam prep? Get clear, step-by-step guidance to build confidence and succeed in chemistry.

General Chemistry

Jules

From mastering Newton’s laws to tackling thermodynamics, get step-by-step support on any challenging physics topic to stay prepared for assignments and exams.

Physics with Calculus

Patrick

Struggling with evolution, ecosystems, or the human body? Master key biology concepts with clear explanations that make learning easier.

General Biology

Jason

Confused by balance sheets, income statements, or debits and credits? Get accounting concepts broken down step-by-step to build confidence for assignments and exams.

Financial Accounting

Brian

From memory and learning to personality and behavior, explore key psychology concepts and theories in a way that makes class discussions, labs, and tests easier.

Introduction to Psychology

Hannah

Need help with supply and demand, market structures, or elasticity? Complex ideas in microeconomics become clear with guided explanations and examples.

Microeconomics

Struggling with the skeletal system, organ functions, or body processes? Connect the dots across anatomy and physiology to master the material with confidence.

Anatomy & Physiology

Bruce

Having trouble with equations, functions, or graphing? Algebra concepts are explained clearly to help solve problems faster and prepare for quizzes and exams.

College Algebra

Lost in reaction mechanisms, functional groups, or synthesis problems? Organic chemistry becomes manageable through step-by-step guidance and practice.

Organic Chemistry

Johnny

From Punnett squares to gene expression and DNA replication, genetics concepts are explained clearly to make problem solving more straightforward.

Genetics

Kylia

Balancing general, organic, and biochemistry in one course can be tough. Key concepts are connected across all three areas to help everything make sense together.

GOB Chemistry

New to chemistry? Atoms, elements, and reactions are broken down into simple steps to build a strong foundation for success in class and labs.

Introduction to Chemistry

Struggling with bacteria, viruses, or lab techniques? Microbiology concepts are simplified to keep studying efficient and exam prep on track.

Microbiology

From membranes and organelles to signaling pathways, cell biology is explained clearly to connect structure and function with ease.

Cell Biology

Need help with titrations, spectroscopy, or chromatography? Analytical chemistry concepts are simplified to support labs and problem sets.

Analytical Chemistry

Angles, identities, and trig functions giving you trouble? Trigonometry is explained step-by-step so solving problems feels more approachable.

Trigonometry

Callie

Need a solid foundation before calculus? Precalculus concepts like functions, sequences, and limits are clarified to prepare you for success.

Precalculus

Nick

From limits and derivatives to integrals and applications, calculus concepts are broken down to make homework and exams less stressful.

Calculus

Want to apply calculus to real-world business problems? Rates, optimization, and economic models are explained in simple terms for practical use.

Business Calculus

From probability to hypothesis testing, statistics concepts are explained step-by-step to build problem-solving skills and exam readiness.

Introductory Statistics

Struggling with data analysis, probability, or regression? Statistics is connected to real-world business decisions to make concepts easier to apply.

Statistics for Business

From proteins and enzymes to metabolism and pathways, biochemistry concepts are connected across chemistry and biology for deeper understanding.

Biochemistry

Need help with GDP, inflation, or monetary policy? Macroeconomics is simplified to highlight the big picture and boost exam performance.

Macroeconomics

Learn topics such as nutrition, physical activity, mental health, stress management and healthy lifestyle choices.

Personal Health

From macronutrients and vitamins to metabolism and diet planning, nutrition concepts are explained clearly and connected to real-life examples.

Nutrition

Learn how medical terms are built and what they mean by breaking them into simple parts. This course helps you understand and use the language of healthcare with confidence.

Medical Terminology

Explore how human societies are organized, how social relationships shape behavior, and how cultural, economic, and political forces influence everyday life.

Introduction to Sociology

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

Beginning Algebra

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

Intermediate Algebra

Learn the toughest concepts covered in Beginning & Intermediate Algebra with step-by-step video tutorials and practice problems by world-class tutors

Beginning & Intermediate Algebra

Confused by cells, genetics, or how life works? Explore the building blocks of biology with simple, engaging explanations that turn complex science into concepts you'll actually understand.

Introductory Biology

Curious about how your body works? Dive into human biology with clear, approachable lessons that break down anatomy, physiology, and everything that keeps you alive and thriving.

Human Biology

Physics with Algebra

Need a solid foundation before calculus? Algebra and Trigonometry concepts like functions and sequences are clarified to prepare you for success.

Algebra & Trigonometry

From logic and problem solving to voting systems, personal finance, and statistics, liberal arts math topics are explained step-by-step to build confidence with real-world mathematical thinking and strong preparation for quizzes and exams.

Liberal Arts Math

From logic and problem solving to ratios, finance, and statistics, quantitative reasoning concepts are explained step-by-step to build confidence applying mathematics to everyday situations, workplace contexts, and practical decision-making.

Quantitative Reasoning

Learn the type of accounting that focuses on providing financial information to internal stakeholders within an organization

Managerial Accounting

Tyler

Learn the guidelines that govern how financial transactions are recorded and reported

Principles of Accounting

From whole numbers and integers to equations and graphing, develop a strong understanding of foundational math concepts with clear, step-by-step support every step of the way.

Prealgebra

Master the fundamentals of algebra as you solve equations, analyze patterns, and work with mathematical relationships through guided, step-by-step instruction.

Prealgebra & Beginning Algebra

From foundational arithmetic through advanced algebraic concepts, develop the skills to solve increasingly complex mathematical problems with comprehensive, step-by-step support.