Mathematics & Basic Tools Calculators — Free Online Tools

Perform standard arithmetic operations with a simple interface

Advanced mathematical functions including trigonometry and logarithms

Perform standard arithmetic operations with a simple interface

Advanced mathematical functions including trigonometry and logarithms

Plot functions and analyze mathematical relationships visually

Add, subtract, multiply, and divide fractions with ease

Calculate percentages, percentage change, and percentage of amounts

Find ratios, proportions, and scale factors

Check if numbers are prime and find prime factorizations

Perform matrix operations including multiplication and determinants

Solve linear, quadratic, and polynomial equations step by step

Calculate exact age with milestones and fun facts

Add, subtract, or find the difference between dates

Calculate tips and split bills easily

Calculate speed, distance, and time relationships

Count, round, and calculate with significant figures

Master the Japanese soroban abacus with 1:4 bead configuration

Learn the Chinese suanpan abacus with 2:5 bead configuration

Practice with the Western classroom abacus with counting beads

Calculate the average of multiple percentage values

Convert any fraction to its percentage equivalent

Convert between decimal and percentage formats

Calculate how long it takes for a value to double at a given growth rate

Calculate the absolute percentage difference between two values

Calculate what percentage of a percentage equals

Calculate the difference in percentage points between values

Calculate the percent error between experimental and actual values

Calculate what percentage of a time period has elapsed or remains

Calculate percentage progress toward your goals

Calculate the relative percentage change between values

Calculate slope, grade, or gradient as a percentage

Solve absolute value equations

Solve absolute value inequalities

Add and subtract polynomial expressions

Calculate Bessel functions

Calculate binomial coefficients

Multiply polynomials using box method

Complete the square for quadratics

Find complex number conjugates

Perform complex number operations

Find complex roots of equations

Solve cubic equations

Determine possible real roots

Find two numbers with given product and sum

Solve direct variation problems

Calculate quadratic discriminant

Solve systems using elimination

Calculate error function

Factor trinomial expressions

Multiply binomials using FOIL

Calculate gamma function

Area model for polynomial multiplication

Graph inequalities visually

Graph quadratic inequalities

Calculate hyperbolic functions

Convert inequalities to intervals

Work with interval notation

Solve inverse variation problems

Multiply binomial expressions

Multiply polynomial expressions

Decompose rational functions

Identify perfect square trinomials

Divide polynomials

Generate power sets

Solve quadratic equations

Perform quaternion operations

Find rational zeros

Calculate binomial squares

Check subset relationships

Solve systems using substitution

Divide polynomials synthetically

Solve systems of equations

Calculate set operations