Here are some additions to the vector class in C++. This month, I continue our discussion of a C++ class suitable for doing math with vectors. As useful as this math is, things get even better when we ...

Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. significant figures. Dimensions of physical quantities, dimensional analysis and its applications ...

Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. significant figures, Determining the uncertainty in result. Dimensions of physical quantities, ...