Heron's formula calculator
This calculator calculates the area of a triangle using Heron's formula. This formula gives the area of a triangle from the lengths of all three sides. The formula can be found below the calculator.
Median of a triangle
This online calculator computes the median of a triangle given triangle sides
Angle bisector of a triangle
This online calculator computes the length of angle bisector given the lengths of triangle edges
Altitude of a triangle
This online calculator computes the altitude length of a triangle, given the lengths of sides of a triangle.
Side length of the regular polygon
Calculates the side length of the regular polygon circumscribed or inscribed to a circle. Created by user's request
Sphere Calculator
Calculate the Volume and Surface Area of a Sphere with our online calculator
Calculates ellipsoid and spheroid volume and surface area.
Area of triangle by coordinates
This calculator determines the area of a triangle using its vertex coordinates in the cartesian coordinate system.
Spherical cap and spherical segment
This calculator computes volume and surface area of spherical cap and spherical segment
Spherical sector
Calculates surface area and volume of Spherical sector by radius and height
Regular polygon area from circumcircle
Calculates the area of the circumcircle and of the regular polygon from radius of circumcircle and number of sides
Trigonometric functions
This online calculator computes the values of elementary trigonometric functions, such as sin, cos, tg, ctg, sec, cosec for an angle, which can be set in degrees, radians, or grads.
Inverse trigonometric functions
This calculator determines values of inverse trigonometric functions (arcsine, arccosine, arctangent, arccotangent, arcsecant, arccosecant) and outputs it with different measurement units (degrees, radians, minutes, etc)
Circle formulas
Circle formulas
Triangle Angle Calculator
The Triangle Angle Calculator is a tool that calculates the angles of a triangle given the length of its sides.
Sine wave calculator
Construction of a sine wave with the user's parameters
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.
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