Re: Handheld mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg110294] Re: Handheld mathematica
- From: "J. Clarke" <jclarke.usenet at cox.net>
- Date: Sat, 12 Jun 2010 05:31:43 -0400 (EDT)
- References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
On 2/25/2010 1:52 AM, Helen Read wrote: > 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= 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. The other alternative in a handheld is the HP-48 and its successors. Of the two, the HP has arguably better performance but the TI seems more reliable. There are emulators for both that run on a variety of other handhelds.