RedCrab Calculator

      Circle   Cone   Cube   Cuboid   Cylinder   Donut   Oblique   Pipe   Point   Pyramid   Rectangle   Rhomboid   Rhombus  
    Sector   Sphere   Square   Trapez   Triangle   Vector  

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Available in RedCrab PLUS

  • The class Doug is an extention of the class Circle

  • Inheritance Hierarchy: Donut -> Circle

  • The following properties can be queried or passed as an argument

Symbol   Description Orgin
Diameter and Radius
d Outside diameter Circle
r Outside radius Circle
di Inside diameter Donut
ri Inside radius Donut
k Width of the donut Donut
A Total area of the outer circle Circle
Ai Area of the inner circle Donut
Ad Area of the donut Donut
P Outside perimeter Circle
Pi Inside perimeter Donut
Donut Segment
α Segment angle Donut
As Segment area Donut
Ps Segment perimeter Donut

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