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In computing, an arithmetic logic unit ( ALU) is a digital circuit that performs arithmetic and logical operations.
Standard American form: 1,460,000,000Old British form: 1,460,000,000,000 (don't worry about this in normal arithmetic)
There is no short form. Most people, in most of the world, are not obsessed with short forms that will save microseconds!
Sure. There are other applications of arithmetic, but algebra without arithmetic is impossible. A broad knowledge of arithmetic is essential for mastery of algebra.
'The Devil's Arithmetic' was written by Jane Yolen .