4 ms·
it's the link with money that I found interesting, $100 for the american units (I mean American book have problems in both system of units, aerospace, military
by nraynaud 7y ago
it's the link with money that I found interesting, $100 for the american units (I mean American book have problems in both system of units, aerospace, military and engineering for science tend to work in metric) and $30 for the SI unit only.