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Definition

Alpha

Letter of the Greek Alphabet. Writen in lower case : $\alpha\,$ . Writen in upper case: $\Alpha\,$ .
Used in mathematics as:
- The symbol for Angular Acceleration.
- The first angle in a triangle, generally opposite the side A

Supplementary definitions

Alpha (letter)
Alpha (uppercase Α, lowercase α; Greek: Αλφα) is the first letter of the Greek alphabet. In the system of Greek numerals it has a value of 1. This article is licensed under the GNU Free Documentation License. It uses material from the article "Alpha (letter)" Retrieved 5 Jan 2009