Priority of Operators

When evaluating an expression, the language processor usually works from left to right. But some operators are given a higher priority than others.

The complete order of precedence of the operators is (highest at the top):

Operator	Description
\ ¬ – +	(prefix operators)
**	(exponentiation)
* / % //	(multiply and divide)
+ –	(add and subtract)
" " \|\| abuttal	(concatenation, with/without blank)
== = \== ¬== /== \= ¬= /= > < >> << >< <> >= \< ¬< >>= \<< ¬<< <= \> ¬> <<= \>> ¬>>	(comparison operators)
&	(and)
\| &&	(or, exclusive or)

For any expression, you can discover the sequence that will be used from the preceding list of priorities. For example:

Say 3 + 2*5                  /* says "13"              */

Because multiply (*) has a higher priority than add (+), the multiply operation is done before the operation on its left.

Similarly, because add (+) has a higher priority than concatenate (blank),

Say 3 2+2 5                  /* says "3 4 5"           */