- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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Diagonal of a Rectangle CalculatorFind the diagonal of a rectangle from its length and width. Also computes the diagonal angle, perimeter, and area instantly using the Pythagorean theorem.
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Distance from Point to Line CalculatorCalculate the perpendicular distance from a point (xā, yā) to a line ax + by + c = 0 using d = |axā+byā+c|/ā(aĀ²+bĀ²). Free and instant.
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Degrees to Radians CalculatorConvert angles from degrees to radians instantly. Enter any degree value to get the exact radian measure plus its multiple of pi.
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Radians to Degrees CalculatorConvert radians to degrees instantly. Enter any angle in radians and get the exact degree value using deg = rad Ć 180/Ļ. Free online angle converter.
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Triangle Side from Two Sides & Included Angle (Law of Cosines)Find the third side of a triangle from two sides and the included angle using the Law of Cosines: c = ā(aĀ² + bĀ² ā 2abĀ·cosC). Free, instant.
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Right Triangle Legs from Hypotenuse and Angle CalculatorFind both legs of a right triangle from the hypotenuse and an acute angle. Computes opposite = cĀ·sinĪø and adjacent = cĀ·cosĪø instantly.
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Six Trigonometric Functions and Their Inverses CalculatorCompute sine, cosine, tangent, cotangent, secant and cosecant of any angle, or find the angle from an inverse trig function. Degrees, radians or gradians.
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Trigonometric Functions Calculator (Pi Radians)Evaluate sin, cos, tan, cot, sec or csc for an angle given as a multiple of pi radians. Enter n and get the exact function value at theta = n times pi.
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Inverse Trigonometric Function CalculatorCompute arcsin, arccos, arctan, arccot, arcsec or arccsc of a value. Get the principal-value angle in degrees or radians, plus domain and range.
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Trigonometric Function Evaluator (Angle in Multiples of Pi Radians)Evaluate sine, cosine, tangent, cotangent, secant or cosecant at any angle entered in pi radians, radians, degrees or gradians. Handles asymptotes.
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Trigonometric Function CalculatorEvaluate sin, cos, tan, cot, sec or csc for any angle in degrees, radians, gradians or turns. Instant results with pole detection for undefined points.
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Law of Sines CalculatorSolve a triangle with the Law of Sines: find a missing angle or side, then get all sides, all angles, perimeter, area, inradius and circumradius.
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Triangle Theorems Calculator (AAA, AAS, ASA, ASS/SSA, SAS, SSS)Solve any triangle from AAA, AAS, ASA, ASS/SSA, SAS or SSS inputs. Get all angles, sides, perimeter, area, inradius and circumradius instantly.
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Law of Cosines CalculatorSolve any triangle with the Law of Cosines. Enter three sides (SSS) to find all angles, perimeter, area, inradius and circumradius instantly.
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Decimal Degrees to DMS ConverterConvert coordinates between Decimal Degrees (DD), Degrees-Minutes-Seconds (DMS) and Degrees-Decimal-Minutes (DMM). Handles negative GPS lat/long, all six directions.
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Rise Over Run to Degrees CalculatorConvert rise over run into a slope angle in degrees. Enter vertical rise and horizontal run to get the angle, percent grade, and ratio instantly.
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Hyperbolic Tangent tanh(x) Function and Derivatives CalculatorCompute tanh(x), its first and second derivatives at any x, or over a range. Free online hyperbolic tangent calculator with formulas and a value table.
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Second Derivative of tanh(x) CalculatorCompute the second derivative tanh''(x) of the hyperbolic tangent at any real x, plus tanh(x) and its first derivative. Instant, high-precision results.
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tanh(x) Hyperbolic Tangent Function CalculatorCompute the hyperbolic tangent tanh(x) plus its first and second derivatives at any real x. Free, instant, high-precision math activation-function tool.
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Tanh Function First Derivative CalculatorCompute tanh(x) and its first derivative tanh'(x) = 1 - tanh(x)^2 (plus the second derivative) at any real x. Ideal for neural-network activation math.
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Coordinate Rotation About the Origin CalculatorRotate a 2D point about the origin by any angle. Enter x, y and the rotation angle in degrees or radians to get the new coordinates instantly.
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Inverse Jacobi Elliptic Function arcsn(x, k)Compute the inverse Jacobi elliptic sine arcsn(x, k): the value u with sn(u,k)=x, via the incomplete elliptic integral of the first kind F(arcsin x, k).
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Trig Triangle CalculatorSolve a triangle from two sides and the included angle (SAS) using the law of cosines and law of sines. Finds the third side, angles, area, and perimeter.
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Trigonometric Function CalculatorCalculate sin, cos, tan, csc, sec and cot for any angle in degrees or radians. Free, instant trigonometric function calculator with formulas.
