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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: <hlqu1l$gkn$1@smc.vnet.net> <hlv609$pn7$1@smc.vnet.net> <hm323l$mab$1@smc.vnet.net> <hm56mo$k6l$1@smc.vnet.net>

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[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.

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.



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