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Cartesian Cylindrical Spherical


Differential Volume 



dv = dx dy dz (Volume)


ds = dy dz (front / back)


ds = dx dz (right / left)


ds = dx dy (top / bottom)


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dv = rdr df dz (volume)

ds = rdf dz (front/ back)


ds = rdr df (top / bottom)


ds = dr dz (right / left)


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dv = R2sinq dR dq df (volume)


ds = R2sinq dq df (front / back)


ds = R dR dq (right / left)


ds = Rsinq dR df (top / bottom)


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