All Calculators

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

Showing 12 of 212 calculators · page 15 of 18

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Scientific Calculator
Evaluate expressions with functions and constants.
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Scientific Notation Calculator
Convert a number to scientific notation.
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Secant Calculator
sec of an angle in degrees or radians.
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Sector Area Calculator
Area and arc length of a circular sector.
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Sig Fig Calculator
Quick sig fig counter: enter a number to see how many significant figures it has, with optional rounding.
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Significant Figures Calculator
Count significant figures and round to a chosen number.
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Sine Calculator
Compute trigonometric ratios.
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Sine Rule Calculator
Apply the sine rule to find a missing side or angle of a triangle from an angle and its opposite side.
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Slope Calculator
Slope, angle, distance and line equation through two points.
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Slope-Intercept Form Calculator
Line equation y = mx + b from a slope and a point.
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SOHCAHTOA Calculator
Find the other two sides of a right triangle from one side and an acute angle.
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Tested
Solve for Unknown Fraction (Cross Multiplication)
Solve a/b = c/d when one value is unknown.
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