As nouns the difference between dex and vex

is that dex is (physics|and|astrophysics) an order or factor of ten used both to refer to the function $\backslash mathrm\{dex\}(x)\; =\; 10^x$ and the number of (possibly fractional) orders of magnitude separating two numbers when dealing with log to the base 10 transform of a number set the transform of 10, 100, and 1 000 000 is $\backslash log\_\{10\}(10)\; =\; 1$, $\backslash log\_\{10\}(100)\; =\; 2$, and $\backslash log\_\{10\}(1\; 000\; 000)\; =\; 6$, so the difference between 10 and 100 in base 10 is 1 dex and the difference between 1 and 1 000 000 is 6 dex or dex can be (informal) dextromethorphan or dex can be (gaming) dexterity while vex is (space|esa).