Re: Handheld mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg107736] Re: Handheld mathematica
- From: Helen Read <hpr at together.net>
- Date: Thu, 25 Feb 2010 01:51:48 -0500 (EST)
- References: <hlqu1l$gkn$1@smc.vnet.net> <hlv609$pn7$1@smc.vnet.net> <hm323l$mab$1@smc.vnet.net>
- Reply-to: read at cems.uvm.edu
On 2/24/2010 6:21 AM, ibmichuco at hotmail.com wrote: > > > Sigh, > > I don't want a copy of Mathematica on a PDA, as I mentioned > at the beginning of the post, much less an app for cloud computing. > > I want neither a calculator with augmented reality nor one that > toasts bread. Just a a hand held calculator that gives a quick > check to, say > > Cos[t] D[Sin[t]/r D[F[r, t], t], r] > > with > > (0,1) (1,1) > Sin[t] F [r, t] Sin[t] F [r, t] > Out[1]= Cos[t] (-(-------------------) + -------------------) > 2 r > r > > regardless if I am online or not. You do know about the TI-89, right? It's a hand-held calculator that does symbolic computations. I believe the underlying engine is based on a different CAS (oh, another one that starts with an M), but this is pretty much transparent to the user. -- Helen Read University of Vermont