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Posted on 2004-10-17

Hello,

Is there a FORMULA to divide a number? :o\ lol

For example, a / b Is there a forumla to do that? (obviously, other than "a/b"). Don't ask why I want to know this lol

Thanks

[r.D]

Is there a FORMULA to divide a number? :o\ lol

For example, a / b Is there a forumla to do that? (obviously, other than "a/b"). Don't ask why I want to know this lol

Thanks

[r.D]

6 Comments

There are certainly algorithms for division but it is generally regarded as a "primitive" operation.

One such algorithm would be to count successive subtractions of powers of b from a. (As is done in "long division").

addition, multiplication, exponentiation, differentiation

These operations have their "inverses" such as

subtraction, division, logrithems, integration.

In some sense there are rules for the operations but the inverses are essentially trial and error. sftewng has given you the trial for division. It works.

N=1;

D=0;

while (B>=1) {

while (A>B) {

A=A-B;

D=D+1;

N=N+1;

}

A=A*10;

D=D*10;

}

The result of division id D, while N is the position of the decimal point.

http://www.321books.co.uk/reviews/the-road-to-reality-by-roger-penrose.htm

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