M. Adam Davis wrote:
>> Cap =3D 0.000010 F
>>        Cap =3D 10 =B5F
>> PowerSupply =3D 10V
>>        PowerSupply =3D 10 V
>> Resistor =3D 1MOhm
>>        Resistor =3D 1 MOhm
>> 5Ohm * 5A
>>        Ans =3D 25 V
>> 5Ohm/35A
>>        Ans =3D 0.142857143 V
>> (5Ohm) / (5A)
>>        Ans =3D 1 Ohm/A
>> 5Ohm/(5A)
>>        Ans =3D 1 Ohm/A

The TI-89ti's CAS engine has its own little peculiarities -- using your exa=
mples:

5Ohm/35A entered as "5_ohm/35_A" -- CAS reduces this to:

    5 * _ohm
   ----------  * _A  =3D  .142857_V
       35

But the same entered as "(5_ohm)/(35_A)":

    5 * _ohm                       _ohm
   ----------  * _A  =3D  .142857 * ------
    35 * _A                         _A

How very peculiar.

I can see what it's doing -- 5*_ohm is 5 with unit specifier set to "Ohms". =

Dividing that by 35 produces the correct answer, but with the Ohms unit =

preserved. Apply the Amps conversion and the unit specifier changes to =

"Volts". I think....

-- =

Phil.
piclist@philpem.me.uk
http://www.philpem.me.uk/

-- =

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