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Math & Numbers
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Roman Numeral Converter
Convert decimal numbers to Roman numerals (1–3999)
Binary / Decimal / Hex Converter
Convert numbers between binary, octal, decimal and hexadecimal
Percentage Calculator
Calculate percentages, increases, and decreases
Fraction to Decimal Converter
Convert fractions to decimals and percentages
Scientific Notation Converter
Convert numbers to and from scientific notation
GCD & LCM Calculator
Calculate the Greatest Common Divisor and Least Common Multiple
Number Base Converter
Convert numbers between any bases (2–36)
