The units of the left hand side of any equation must always match those of the right hand side. Anyone who has performed a derivation of reasonable complexity has probably managed to lose a dimension or two along the way, arriving at the end only to find that the units no longer match. Walking back through the derivation to find the error is a tedious and time-consuming exercise. This tool is designed to avoid having to do so by computing the exponents of the fundamental units, M, L, T and t.
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