Re: Manipulation of equations and inequalities in "high-school style"
- To: mathgroup at smc.vnet.net
- Subject: [mg19531] Re: [mg19516] Manipulation of equations and inequalities in "high-school style"
- From: "David Park" <djmp at earthlink.net>
- Date: Tue, 31 Aug 1999 00:52:22 -0400
- Sender: owner-wri-mathgroup at wolfram.com
There are probably a number of approaches to this. I have a high school tutorial
StepByStepEquations.nb which you can down load from my web site given below. It shows
how to do what you wish using regular Mathematica commands.
djmp at earthlink.net
>Does anybody know a Mathematica (3 or 4) package which allows
>manipulaton of equations and inequalities like high-school students
>are supposed to do?
>2x+a = x-b subtract a
> 2x = x-b-a divide by 2, subtract x
> x = -b-a
> (2^x-1)^(1/2) = 5b log both sides
>(1/2)(x-1)log2 = log5 + logb multiply by 2, divide by log2
> 2(log5 + logb) add 1
> x-1 = --------------
>and so on.
>I think I saw such a notebook or package some years ago, but I am not
>able to find it any more.
>I think I am not the only teacher who would find this very useful.
>Thanks for all hints.
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