Re: How to =B1?
- To: mathgroup at smc.vnet.net
- Subject: [mg103684] Re: How to =B1?
- From: pfalloon <pfalloon at gmail.com>
- Date: Fri, 2 Oct 2009 08:24:35 -0400 (EDT)
- References: <ha2113$n6o$1@smc.vnet.net>
On Oct 1, 8:41 pm, olliH <oliver.hofh... at googlemail.com> wrote: > Hi how do I make an expression with the =B1 Operator? > > In = x =B1 1 > Out = {x+1,x-1} > > (=B1 is the plus/minus symbol if this does not show up > properly - moderator) you can just go ahead and define it: In[68]:= x_\[PlusMinus]y_ = {x+y,x-y} Out[68]= {x + y, x - y} In[69]:= 1\[PlusMinus]3 Out[69]= {4, -2} Cheers, Peter.