Quote:
Originally Posted by baddog
That is how I learned it as well, but rules, dictionaries and maps change over the years.
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These particular rules haven't changed in a very long time.
"The basic rule (that multiplication has precedence over addition)
appears to have arisen naturally and without much disagreement as
algebraic notation was being developed in the 1600s and the need for
such conventions arose."
http://mathforum.org/library/drmath/view/52582.html