Absolute Value Inequalities Calculator
Solve absolute value inequalities with steps
Use CalculatorMathematics Calculators
From basic arithmetic to advanced algebra, our collection of math calculators helps you explore equations, fractions, percentages, and other mathematical concepts. Whether you're a student, teacher, or professional, choose a tool that fits the calculation you want to examine.
Mathematics Tools by Task
Start with the quantity you need: a percentage change, a fraction, an equation, or a geometric measure. Choose the tool that matches the known values and units, then compare related results when checking a multi-step problem.
For example, a discount uses a percentage of a price, while percentage change compares an old value with a new one. Read each page’s formula and rounding notes; an output cannot validate incorrect inputs or an unsuitable method.
Who Are These Calculators For?
Useful for checking coursework and everyday calculations. Enter the given values and work through the displayed method when you need to understand an answer.
44 calculators available
Add Fractions Calculator
Add, subtract, multiply, and divide fractions
Use CalculatorAdjugate Matrix Calculator
Calculate adjugate matrix with steps
Use CalculatorAspect Ratio Calculator
Calculate and scale aspect ratios for images and screens
Use CalculatorAverage Calculator
Calculate mean, median, mode, and range of numbers
Use CalculatorComplex Number Calculator – Add, Subtract, Multiply, Divide
Calculate complex number operations with magnitude and phase
Use CalculatorCramer's Rule Calculator – Solve Linear Systems
Solve linear systems using Cramer's rule with determinants
Use CalculatorCritical Point Calculator – Find Maxima, Minima, Inflection Points
Find critical points, maxima, minima using derivatives
Use CalculatorCross Product Calculator – Vector Cross Product
Calculate the cross product of two 3D vectors
Use CalculatorCube Root Calculator – ∛x Calculator
Calculate the cube root of any number
Use CalculatorCylinder Volume Calculator – Calculate Volume & Surface Area
Calculate cylinder volume and surface area
Use CalculatorDecimal Calculator – Number Base Converter
Convert between decimal, binary, octal, and hexadecimal
Use CalculatorDifferential Equation System Calculator
Analyze linear differential equation systems with eigenvalue analysis
Use CalculatorDiscriminant Calculator
Calculate discriminant and roots of quadratic equations
Use CalculatorDistance Between Two Points Calculator
Calculate distance and midpoint between two coordinate points
Use CalculatorDivergence Calculator – Vector Field Divergence
Calculate the divergence of a 3D vector field
Use CalculatorDivide Fractions Calculator – Fraction Division
Divide two fractions with step-by-step solutions
Use CalculatorDivision Calculator – Answer and Remainder
Divide two numbers and see the answer, whole-number part, and remainder
Use CalculatorMultiplicative Inverse Modulo Calculator – Modular Arithmetic
Find the modular multiplicative inverse of a number.
Use CalculatorN Choose K Calculator – Combinations and Permutations
Calculate combinations and permutations (n choose k).
Use CalculatorNewton's Method Calculator – Root Finding Algorithm
Find roots of functions using Newton-Raphson iteration.
Use CalculatorNull Space Calculator – Matrix Kernel Finder
Find the null space and kernel of any matrix.
Use CalculatorOne's Complement Calculator – Binary Number Representation
Convert numbers to one's complement binary representation.
Use CalculatorOrthocenter Calculator – Triangle Altitude Intersection
Find the orthocenter where triangle altitudes meet.
Use CalculatorOrthogonal Basis Calculator – Gram-Schmidt Process
Calculate orthogonal and orthonormal bases from vectors
Use CalculatorOrthogonal Projection Calculator – Vector Projection
Calculate the projection of one vector onto another
Use CalculatorParallelepiped Volume Calculator – Scalar Triple Product
Calculate parallelepiped volume from three edge vectors
Use CalculatorParallelogram Area Calculator – Cross Product Method
Calculate parallelogram area from two edge vectors
Use CalculatorPascal's Triangle Calculator
Generate Pascal's Triangle and explore binomial coefficients.
Use CalculatorPercentage Calculator
Calculate percentages and percentage changes
Use CalculatorPixel Density Calculator – Calculate PPI and Display Metrics
Calculate PPI and display metrics from resolution and screen size
Use CalculatorPoint of Inflection Calculator – Find Where Concavity Changes
Find inflection points where a function's concavity changes
Use CalculatorPolar to Rectangular Calculator – Convert Coordinates
Convert polar coordinates to rectangular (Cartesian) form
Use CalculatorPolynomial Calculator – Evaluate and Analyze Polynomials
Evaluate and analyze polynomial functions
Use CalculatorPolynomial Division Calculator – Divide Polynomials
Divide polynomials and get quotient and remainder
Use CalculatorPolynomial Multiplication Calculator – Multiply Polynomials
Multiply polynomials and see step-by-step solutions
Use CalculatorPopulation Density Calculator – Calculate People Per Area
Calculate population density in various area units
Use CalculatorPrime Factorization Calculator – Find Prime Factors
Find prime factors and divisors of any number
Use CalculatorPythagorean Theorem Calculator – Find Triangle Sides
Calculate sides of a right triangle using a² + b² = c²
Use CalculatorQR Decomposition Calculator – Matrix Factorization
Decompose a matrix into Q (orthogonal) and R (upper triangular) matrices
Use CalculatorRational Number Calculator – Simplify Fractions
Simplify fractions and convert rational numbers
Use CalculatorRational Root Theorem Calculator – Find Polynomial Roots
Find possible rational roots of polynomials
Use CalculatorReciprocal Calculator – Find 1/x
Calculate the reciprocal of any number
Use CalculatorRectangle Diagonal Calculator – Pythagorean Theorem
Calculate rectangle diagonal using Pythagorean theorem
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