Re: What is the precedence wrt Mathematica infix operators

*To*: mathgroup at smc.vnet.net*Subject*: [mg82827] Re: [mg82800] What is the precedence wrt Mathematica infix operators*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Thu, 1 Nov 2007 05:04:17 -0500 (EST)*Organization*: Mathematics & Statistics, Univ. of Mass./Amherst*References*: <200710311113.GAA22477@smc.vnet.net>*Reply-to*: murray at math.umass.edu

I believe this question has arisen in this group before with respect to Mathematica 6. In any case, if you do some searching in the Documentation Center, eventually you'll find the tutorial: tutorial/InputSyntax In the section "Operator Input Forms" there you'll find a long table that lists the operators in order of precedence along with additional explanation. congruentialuminaire at yahoo.com wrote: > Hello Mathematica UG: > > I cannot find operator precedence documented anywhere. With the > operators from Fortran (in the old days) this was always clear, i.e > '/' before '-'. > > I have been reading some code in the Trott Guidebooks which has > constructions like 'Head @@ face[[i]] / order'. I can guess that Part > has precedence in this expression, but what about Apply vs. Times? > > Looking at the OutputForm shows that Apply has precendence. But,... > > - Is this documented somewhere? > - Do all Mathematica operators take precedence over arithmetic operators? > > TIA. > > Regards.. > > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305