Re: [sage-support] Eval problem with rationals

2012-04-19 Thread Graham Gerrard
Thanks all. Even better when I discovered the locals option, which enables control of variable evaluation. Graham On 19 April 2012 14:40, Martin Albrecht wrote: > Try > > sage: sage_eval? > > which preparses it's input while eval does not. > > On Thursday 19 Apr 2012, Graham Gerrard wrote: > >

Re: [sage-support] Eval problem with rationals

2012-04-19 Thread Martin Albrecht
Try sage: sage_eval? which preparses it's input while eval does not. On Thursday 19 Apr 2012, Graham Gerrard wrote: > z="1/2*x" > x=3 > eval(z) > 0 > z="x*1/2" > eval(z) > 3/2 > > ?? > > Graham Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0