All Calculators

Browse our collection of online calculators, organized by category and purpose.

Showing 11 of 11 calculators

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Decimal to Fraction Calculator
Convert a terminating decimal to a simplified fraction.
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Decimal to Fraction Calculator
Exact fraction, percent and mixed number for a finite decimal.
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Decimal to Percent Calculator
Convert a decimal to a percentage.
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Decimal to Ratio Calculator
Convert a decimal to a ratio.
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Derivative Calculator
Derivative of a function of x, with a numeric check.
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Diagonal Length Calculator
Diagonal of a rectangle or the space diagonal of a box.
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Diagonal of a Rectangle Calculator
Diagonal length of a rectangle.
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Diameter to Radius Calculator
Convert a circle's diameter to its radius.
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Distance Between Two Points Calculator
Straight-line distance and midpoint between two points in the plane.
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Dot Product Calculator
Dot product of two vectors.
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Double Angle Calculator
Double-angle identities evaluated at an angle.
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