Geometry (2d)
Vectors, shapes, angles, coordinates.
MyCalcTool
Main index
Mathematics index
Add two vectors
Or subtract. Result in polar and Cartesian forms.
Cartesian to polar
Conversion of 2d coordinates.
Kite properties
Area, angles, and internal lengths.
Regular pentagon
Area and lengths from side length.
Polar to Cartesian
Conversion of 2d coordinates.
Regular polygons
Angles, lengths, and area.
Pythagoras' theorem
Finds the third side in a right-angled triangle.
Rectangles and squares
Area and diagonal length and angle.
Trapezium properties
Area, angles, and other lengths.
Triangle from three sides
Angles and area from all side lengths.
Triangle from two sides
Gives all properties from two sides and one angle.
Angle conversion
Sin, cos and tan
Arcsin, arccos and arctan
Area conversion
Length conversion
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Most popular calcs
Properties of solids
Trigonometry
Common functions
Classical mechanics
Optics
Mechanics
