When I was calculating pressures in different units, I decided to use Google out of laziness. First I tried:
1.013e-10 mbar
and received a result of:
7.598125e-11 Torr
Then, I tried:
1.013E-10 mbar
and received a result of:
7.598124847e-11 Torr
Clearly they are close, but what is causing one to be more precise than the other? I was under the impression that they were synonomous notations for Exponent, (10E6) = 10^6. Am I wrong in their definitions or is it some kind of coding truncation? In case this is unclear, here is the conversion page I used