Decimal to Fraction Calculator
Instantly convert terminating and repeating decimals into fully simplified fractions or mixed numbers step-by-step with this free online calculator.
Arithmetic & Basic Math Calculators
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Fraction Calculator
Instantly add, subtract, multiply, divide, simplify, and convert proper/improper fractions and mixed numbers step-by-step with this free Fraction Calculator.
GCF / HCF Calculator
Instantly calculate the Greatest Common Factor (GCF/HCF/GCD) for two or more numbers step-by-step using listing factors, prime factorization, or the Euclidean algorithm.
LCM Calculator
Instantly calculate the Least Common Multiple (LCM) for two or more whole numbers or fractions step-by-step using prime factorization, listing multiples, or ladder division methods.
Percentage Calculator
A free online Percentage Calculator that quickly solves percentage problems, calculates percentage increase and decrease, percentage difference, and percentage error with step-by-step formulas and practical examples.
Proportion Calculator
Easily find missing values in equal ratios with this free Proportion Calculator, designed to cross-multiply automatically and deliver step-by-step math solutions.
Ratio Calculator
Simplify, scale, and solve ratios effortlessly with this free online Ratio Calculator, designed to calculate equivalent ratios, solve proportions, and split totals accurately.
Scientific Calculator
Free online scientific calculator with trigonometry ( \sin, \cos, \tan ), logarithms ( \log, \ln ), roots, exponents ( x^y ), constants ( \pi, e ), and memory keys.
About Arithmetic & Basic Math Calculators
About Arithmetic & Basic Math Calculators
Arithmetic and basic math calculators solve fundamental numerical problems involving core mathematical operations. These tools take user-provided numbers and perform calculations such as addition, subtraction, multiplication, division, percentages, fractions, and ratios. Basic math tools cover essential math concepts used in daily budgeting, learning, and quick calculations.
What Does a Basic Math Calculator Do?
A basic math calculator takes numerical inputs and returns computed values like sums, products, percentages, or simplified fractions. The user enters numbers and chooses an operation, and the calculator applies standard mathematical rules to deliver an accurate result.
How Does a Basic Math Calculator Work?
A basic math calculator works by executing mathematical formulas based on the selected operation or calculation type (e.g., percentage increase, fraction simplification, or order of operations/PEMDAS).
What Is Arithmetic?
Arithmetic is the branch of mathematics dealing with numbers and standard operations: addition ($+$), subtraction ($-$), multiplication ($\times$), and division ($\div$). It forms the basis of all higher-level mathematics.
What Is a Percentage?
A percentage represents a fraction of $100$. It is calculated by dividing the part by the total and multiplying by $100$. Percentages are widely used to calculate discounts, interest rates, and proportional changes.
What Are the Main Types of Arithmetic & Basic Math Calculators?
Percentage Calculators: Find percentage values, percentage changes (increase/decrease), and discount amounts.
Fraction Calculators: Perform operations (add, subtract, multiply, divide) with fractions and convert between fractions, decimals, and mixed numbers.
Ratio & Proportion Calculators: Solve ratio equivalencies, scale numbers up or down, and divide quantities proportionally.
Order of Operations (PEMDAS) Calculators: Solve multi-step expressions by following the correct precedence rule (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction).
Average Calculators: Compute the mean, median, mode, and range for a given set of numbers.