E is the fifth letter of the Latin alphabet.
E or e may also refer to:
E, or e, is the fifth letter and the second vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is e ; plural es, Es or E's.
Epsilon is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel IPA:[e̞] or IPA:[ɛ̝]. In the system of Greek numerals it also has the value five. It was derived from the Phoenician letter He . Letters that arose from epsilon include the Roman E, Ë and Ɛ, and Cyrillic Е, È, Ё, Є and Э.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities. In these contexts, the capital letters and the small letters represent distinct and unrelated entities. Those Greek letters which have the same form as Latin letters are rarely used: capital A, B, E, Z, H, I, K, M, N, O, P, T, Y, X. Small ι, ο and υ are also rarely used, since they closely resemble the Latin letters i, o and u. Sometimes, font variants of Greek letters are used as distinct symbols in mathematics, in particular for ε/ϵ and π/ϖ. The archaic letter digamma (Ϝ/ϝ/ϛ) is sometimes used.
C, or c, is the third letter of the Latin alphabet.
D, or d, is the fourth letter of the Latin alphabet.
I, or i, is the ninth letter of the Latin alphabet.
V, or v, is the twenty-second letter of the English alphabet.
R, or r, is the eighteenth letter of the English alphabet.
W, or w, is the twenty-third letter of the English alphabet.
T, or t, is the twentieth letter of the English alphabet.
N, or n, is the fourteenth letter of the English alphabet.
B, or b, is the second letter of the Latin alphabet.
A, or a, is the first letter of the Latin alphabet.
F, or f, is the sixth letter of the Latin alphabet.
G, or g, is the seventh letter of the Latin alphabet.
H, or h, is the eighth letter of the Latin alphabet.
L, or l, is the twelfth letter of the English alphabet.
O, or o, is the fifteenth letter of the English alphabet.
P, or p, is the sixteenth letter of the English alphabet.
Y, or y, is the twenty-fifth letter of the English alphabet.
