Math & Numbers Utility Tools

Factorial Calculator

Calculate n! for a non-negative integer with exact BigInt output, optional steps, and related values such as trailing zeros

Water Bill Calculator

Calculate water costs based on usage and water rates

Sum Calculator

Calculate sum of numbers with partial sums, cumulative sums, and statistics

Antilog Calculator

Calculate antilogarithms for any valid base and optionally verify the result by applying the logarithm again

Basic Calculator

Perform basic arithmetic calculations with support for multiple operations

Markup Calculator

Calculate markup, selling price, and profit based on cost and markup percentage

Limit Calculator

Calculate limits of functions as x approaches a value

Taylor Series Calculator

Calculate Taylor series expansion for common functions

Complex Number Calculator

Perform mathematical operations with complex numbers including basic arithmetic and advanced functions

Integral Calculator

Calculate indefinite integrals of common functions

Permutation Calculator

Calculate permutations with or without repetition, plus circular arrangements, with formulas and optional steps

Rational Number Calculator

Perform arithmetic operations on fractions

Hyperbolic Calculator

Calculate hyperbolic functions (sinh, cosh, tanh)

Modular Calculator

Perform modular arithmetic operations

Trigonometry Calculator

Calculate trigonometric functions (sin, cos, tan)

Gas Price Calculator

Calculate fuel costs based on distance, fuel efficiency, and gas price

Big Number Calculator

Perform arithmetic operations on very large numbers

Electricity Calculator

Calculate electricity costs based on power consumption and usage time

Logarithm Calculator

Calculate logarithms with any valid base, with optional log10, log2, and natural-log comparisons

Margin Calculator

Calculate profit margin, markup, and selling price based on cost and desired margin percentage

Chemical Equation Balancer

Automatically balance chemical equations using linear algebra methods

Perimeter Calculator

Calculate the perimeter of various geometric shapes

Matrix Calculator

Perform matrix operations including addition, subtraction, multiplication, determinant, inverse, and more

Tip Calculator

Calculate tips and split bills between multiple people with customizable tip percentages

Variance Calculator

Calculate sample or population variance for a numeric dataset with intermediate statistics

Sequence Calculator

Calculate arithmetic, geometric, and Fibonacci sequences, including the nth term, the first terms, and the partial sum

Derivative Calculator

Calculate derivatives of common functions

Scientific Notation Calculator

Add, subtract, multiply, and divide values written in scientific notation, then return standard, scientific, and engineering forms

Proportion Calculator

Solve proportion equations of the form a/b = c/d and calculate the missing term

Commission Calculator

Calculate sales commission and total earnings based on sales amount and commission rate

Nth Root Calculator

Calculate nth roots with configurable degree, including odd roots of negative numbers

Cube Root Calculator

Calculate cube roots for positive or negative numbers and verify the cubed result

Break-Even Calculator

Calculate the break-even point for a product or business based on fixed costs, variable costs, and price

Digital Root Calculator

Calculate the digital root of numbers. The digital root is the recursive sum of digits until a single digit is obtained.

GCD & LCM Calculator

Calculate the greatest common divisor and least common multiple for two or more integers

Linear Equation Solver

Solve linear equations (ax + b = 0)

Fraction Calculator

Evaluate fraction expressions, simplify results, and show decimal plus mixed-number forms

Number Rounding Tool

Round numbers with precision control, supporting different rounding methods and batch processing

Scientific Calculator

Advanced scientific calculator with support for complex mathematical functions and expressions

Percentage Calculator

Calculate percentages, percentage changes, and percentage relationships between numbers

Percentage Increase Calculator

Calculate the percentage increase between an original value and a new value

Percentage Decrease Calculator

Calculate the percentage decrease between an original value and a new value

Percent Error Calculator

Calculate percent error between an experimental value and a reference value

Vector Calculator

Perform vector operations including addition, subtraction, multiplication, and more