GENERAL MATH
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Percentage Calculator
4 modes: X% of Y, change, and more
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Scientific Calculator
Full-featured with trig, log, memory
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Fraction Calculator
Add, subtract, multiply, divide fractions
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Ratio Calculator
Simplify ratios and find missing values
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Exponent Calculator
Powers, roots, and scientific notation
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Logarithm Calculator
log₁₀, ln, log₂, and any base
STATISTICS & SEQUENCES
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Statistics Calculator
Mean, median, mode, std deviation
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Combinations & Permutations
C(n,r) and P(n,r) with formulas
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Number Sequence
Arithmetic, geometric & Fibonacci
NUMBER THEORY
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GCF & LCM Calculator
Greatest common factor & least multiple
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Prime Factorization
Factor any number, check if prime
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Binary / Hex Converter
Convert between number bases + bitwise ops