### Author Topic: Programming a basic equation  (Read 1417 times)

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#### Dboss

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##### Programming a basic equation
« on: September 12, 2016, 05:18:30 pm »

Hello everybody , I am New with Ti CX CAS and need help.
First , I have a basic equation as: Re = ( ρ * v * d ) / μ .
I find the Re value but I wish I could find any of the variables I already have the case Re .
How could I perform this function ?
Example : Re = ( ρ * v * d ) / μ
Rc = 2; ρ = 1; d = 5, v = μ = 0.5 ?.
How to find the v =

According if someone can give me a place to have a program booklet for the calculator .

#### kotu

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##### Re: Programming a basic equation
« Reply #1 on: September 12, 2016, 06:24:53 pm »
How to find the v =
Rearranging the equation gives this

v = (Re * u) / (p * d)

I am not sure if the calculator does this
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#### Snektron

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##### Re: Programming a basic equation
« Reply #2 on: September 12, 2016, 08:14:16 pm »
You can also replace v by x and graph both the formulas
Y1 = Re
Y2 = ( ρ * X * d ) / μ
and then intersect them
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#### xlibman

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##### Re: Programming a basic equation
« Reply #3 on: September 12, 2016, 09:33:27 pm »
According if someone can give me a place to have a program booklet for the calculator .
Hi and welcome to CodeWalrus. To answer this question, generally booklets are rarely available alone in physical format, but you can download most of them on TI website at https://education.ti.com/en/us/downloads-and-activities?active=guidebooks .
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#### Dboss

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##### Re: Programming a basic equation
« Reply #4 on: September 13, 2016, 03:18:51 pm »
OK thank you.
Changing the equation and rearranging know do. But what I want is a single equation to find any of the missing variables.

I would like to know how to program it.

#### kotu

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##### Re: Programming a basic equation
« Reply #5 on: September 13, 2016, 04:20:57 pm »
You need to start learning programming from scratch.....
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