[time-nuts] Measuring 10 MHz accurately

[christopher hoover]

Ed wrote:
> What is the difference between 1E-12, 10E-12, and 10^-12?

E means raised to the power of ten.

x E y is shorthand for X * 10^y.

(See http://en.wikipedia.org/wiki/E_notation#E_notation)

1E-12 and 10^-12 are the same number, specifically 1,000,000,000,000.
10E-12 is one order of magnitude (ten times) larger.

-ch