- Area of triangle by coordinates
This calculator determines area of triangle, using its vertex coordinates in cartesian coordinate system

- Calculator of area of a triangle using Hero's formula
- Cone
- Cube
- Cylinder
- Determinant of 3x3 matrices
This calculator calculates the determinant of 3x3 matrices

Calculates the side length of the regular polygon circumscribed or inscribed to a circle. Created by user's request

- Dew point
This calculator determines dew point from given temperature and relative humidity of air

- Ellipsoid
Calculates ellipsoid and spheroid volume and surface area.

- Factorial
Online calculator computes factorial of given positive integer (up to 170!)

- Hyperbolic functions
Calculation of hyperbolic functions

- Inverse Hyperbolic Functions
Calculation of inverse hyperbolic functions of given argument

- 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)

Calculates volume of geometric shapes: cube, prism, pyramid, frustum, cone, cylinder, sphere, ellipsoid.

- Lengths of triangle sides given one side and two angles
This online calculator determines lengths of triangle sides given one side and two angles

- Mathematical calculator
Mathematical calculator is used for evaluation math expressions with arithmetic operations (+-/*^) and functions: sqrt - square root, exp - exponential function, lb - binary logarithm, lg - decimal logarithm, ln - natural logarithm, sin - sine, cos - cosine, tan - tangent, cot - cotangent, sec - secant, csc - cosecant, arcsin - arcsine, arccos - arccosine, arctan - arctangent, arccot - arccotangent, arcsec - arcsecant, arccosec - arccosecant and others

- Side length of a right triangle
Calculates the side length of a right triangle from two other sides using Pythagorean theorem. Created by user's request

- Sphere
- Surface area of a cube
- Torus
Volume and surface area of torus.