Maths query

**NickFitz** · 2 October 2014, 22:28

Yes.

**SpontaneousOrder** · 2 October 2014, 22:43

No

**EternalOptimist** · 2 October 2014, 23:01

Indeed it is

**NickFitz** · 2 October 2014, 23:28

Simple arithmetic proof:

1 ÷ 3 = 0.333…
0.333… ✕ 3 = 0.999…

∴ 1 = 0.999…

Q.E.D.

**jamesbrown** · 2 October 2014, 23:39

Yes, if you're using the real number system (not necessarily otherwise).

**MyUserName** · 3 October 2014, 07:18

Nearly

**expat** · 3 October 2014, 07:36

Originally posted by Doggy Styles View Post

Is 0.9999999 recurring equal to 1?

Longer answer: It depends on what you mean by 0.9999999 recurring; and what you mean by "equal".

Short answer: WjamesbrownS.

**scooterscot** · 3 October 2014, 08:02

Originally posted by Doggy Styles View Post

Is 0.9999999 recurring equal to 1?

Obviously not if recurring .99 is infinite.

**expat** · 3 October 2014, 08:18

Originally posted by scooterscot View Post

Obviously not if recurring .99 is infinite.

As I said, it depends on what you mean by "equal".

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