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Basic Calculator
Simple arithmetic operations with memory functions
Percentage Calculator
Calculate percentages, increases, decreases, and percentage changes
Statistics Calculator
Calculate mean, median, mode, range, variance, and standard deviation
Mean, Median, Mode Calculator
Calculate mean, median, mode, range and other statistics for a data set
Ratio Calculator
Simplify ratios, find equivalent ratios, and solve proportions
Prime Number Calculator
Check if a number is prime, find primes in a range, or get prime factorization
Roman Numeral Converter
Convert between numbers and Roman numerals (I, V, X, L, C, D, M)
Binary & Hex Converter
Convert between Decimal, Binary, and Hexadecimal number systems
GCF & LCM Calculator
Calculate Greatest Common Factor (GCF) and Least Common Multiple (LCM) of numbers
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Scientific Calculator
Advanced mathematical functions and operations
Fraction Calculator
Add, subtract, multiply, and divide fractions
Probability Calculator
Calculate probability, combinations, permutations, and odds