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"problem" in mathematical formula

 
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jccsantos



Joined: 01 Nov 2005
Posts: 6

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"problem" in mathematical formula
PostPosted: Sat Dec 10, 2005 3:03 pm     Reply with quote
Hi,

I am to make a program, but I am with a problem in the programming that is the following one:
We have two variable MIN and MAX, and we have another one (VAR) from 0 to 254.

What I intend to make:
The variable VAR must have the value of 0 for MIN and the value of 254 for MAX.

In the practical one it was this:
Code:
MIN=17
MAX=20

X=17.00 -> VAR=0
X=20.00 -> VAR=254


OR

Code:
MIN=17
MAX=18

X=17.00 -> VAR=0
X=18.00 -> VAR=254


But I do not know a formula how to get these values(VAR).

Thanks in advance.
specialk



Joined: 12 Nov 2005
Posts: 27

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PostPosted: Sat Dec 10, 2005 4:16 pm     Reply with quote
Code:
VAR = 254 - ((MAX-X)/(MAX-MIN) * 254)

Just off the top of my head...

-special [k]
jccsantos



Joined: 01 Nov 2005
Posts: 6

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PostPosted: Sun Dec 11, 2005 7:49 am     Reply with quote
@specialk

Thank�s, it�s the only thing that i can�t solve until now Cool
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