In three-dimensional space, a spherical shell can be constructed from two concentric spheres. Determine the volume of a spherical shell whose inner radius is r1 and outer radius is r2.
Extract leading non-zero digit
Calculate the area of a triangle between three points
07 - Common functions and indexing 5
Element by element multiplication of two vectors
Average of odd values
Calculating Ring Area
Perimeter of a quadrilateral
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