All online calculators

  • Acceleration of gravity

    Acceleration of gravity calculation on the surface of a planet. It's possible to calculate the acceleration above the surface by setting the sea level. But it won't be possible under thesurface - this is a wrong formula.

  • Age

    Calculate your age with minute precision

  • Altitude of a triangle

    This online calculator computes the length of a altitude of a triangle, given the lengths of edges of a triangle.

  • Angle bisector of a triangle

    This online calculator computes length of angle bisector given the lengths of triangle edges

  • Angular size, linear size and distance

    These calculators computes value of angular size or linear size or distance from the other two's

Altitude Pressure

This calculator uses barometric formula to find out the pressure at the given altitude

Altitude Pressure Creative Commons Attribution/Share-Alike License 3.0 (Unported)

Area of a convex quadrilateral. Example of creating a calculator.

This online calculator calculates area of a convex quadrilateral given diagonal values and value of angle between them. Article also describes the process of creating a calculator.

Area of a convex quadrilateralCreative Commons Attribution/Share-Alike License 3.0 (Unported)
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