App description

Ball ring surface area and volume calculation formula:

\(F=4π^2Rr\)

\(V=2π^2Rr^2\)

In the formula:

R---turning radius

r---turning radius

Usage example

Input data:

R—Radius of revolution: 6

R—Radius of circular revolution: 2

Click "Calculate" to output data

Surface area of circular revolution: 473.74

Revolving circle volume: 473.74

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