check this out

This is a discussion on check this out within the A Brief History of Cprogramming.com forums, part of the Community Boards category; http://www.sunlightd.com/m-math/Recurring.htm Looks like he still remembers that old thread too.......

1. check this out

http://www.sunlightd.com/m-math/Recurring.htm

Looks like he still remembers that old thread too....

2. What thread? A link would be nice if possible.

Also, what does it say? I don't want to download that whatever math thing b/c my comp is slow enough as it is.

3. i've downloaded the math thing, and it doesn't seem bulky. (then again, in windows...)

here's basically what it says:
where E is the weird symbol for infinty and stuff... i haven't taken calculus so i don't know what its name is

Proof that 0.9 recurring equals 1
1-.9 = 10 ^ -1
1-.99 = 10 ^ -2
1 - .99999 = 10 ^-5

Code:
```    x
1 - E (9 x 10 ^ -x) = 10 ^ -x
i=1```
However:
Code:
```lim x->infinity {10 ^ -x } = 1/(ln 10) * lim x->infinity { e^-x} = 0
x
therefore  lim x-> infinity { 1- E (9 x 10 ^ -i)} = 0
i=1```

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