E
e (in mathematics) an important number whose value is approximately
2.
71828.
The reason e is important is that the function ex is its own derivative.
In many programming languages, the function exp(x) computes
ex.
If y = ex, then x is the natural...
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E
e (in mathematics) an important number whose value is approximately
2.
71828.
The reason e is important is that the function ex is its own derivative.
In many programming languages, the function exp(x) computes
ex.
If y = ex, then x is the natural logarithm of y.
E see EXPONENTIAL NOTATION.
e- prefix meaning electronic, especially when applied to terms in the
context of the Internet or World Wide Web.
See E-MAIL; E-ZINE; and
E-COMMERCE for examples.
Usage note: Spelling of e-words is not yet standardized, and the new
words are often spelled without hyphenation (e.
g.
, email, ezine).
e-commerce see ELECTRONIC COMMERCE.
E format see EXPONENTIAL NOTATION.
e-mail (noun) electronic mail; (verb) to send a message or file by electronic
mail.
See ELECTRONIC MAIL.
Usage note: The spelling e-mail, with the hyphen, is now widely preferred.
The older spelling is email.
Either way, the noun and verb are
spelled alike.
e-mail broadcasting the sending of the same e-mail message sent
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