In calculus we have to get the volume of a sphere forumla by integration (the sheet is here, it's a .doc). Quoting from the page (superscripts of the squared stuff don't show up obviously): ...

Help students build a strong understanding of Volume of Solids Using Integration with this engaging, no-prep calculus workbook. Students learn when and how to use the Disk Method, Washer Method, and ...

IN the second volume of his large treatise on the integral calculus, Mr. Edwards deals with multiple integrals, gamma functions, Dirichlet integrals, definite integrals in general, contour integration ...