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Math calculators
Percentages, fractions, ratios, statistics and a scientific keypad.
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Percentage Calculator
Percent of a number, one number as a percent of another, and percent change.
Fraction Calculator
Add, subtract, multiply or divide fractions with simplified output.
Ratio Calculator
Simplify a ratio and divide a total in that proportion.
Average Calculator
Mean, median, mode, range and standard deviation of any list.
Scientific Calculator
Full keypad with trigonometry, logs, powers, roots and memory.
Random Number Generator
Random whole numbers in any range, unique or repeating.
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