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PDR
1204886.  Thu Sep 15, 2016 4:30 am Reply with quote

Ah. This is often a subject of confusion amongst the under-educated because they seem to think that "BODMAS" is some fundamental rule of the universe which stems from the fabric of space-time rather than just a handy notation convention which can eliminate the need for cluttering up algebraic expressions with thousands of parenthetic symbols. We've even had it here with a former sock-puppet member (called himself "10-C-13(1989)" IIRC).

In fact I've now looked it up and you can find the thread here.

Amusing, but rather tedious.

PDR

 
gruff5
1204897.  Thu Sep 15, 2016 5:34 am Reply with quote

"Polish notation" is something I'd heard of, now that I'm reminded of it.

0.999... = 0

is also a notation convention, rather than a rule of the universe

oh, don't start that again, gruff5!!! :D

 
Zziggy
1204898.  Thu Sep 15, 2016 5:35 am Reply with quote

gruff5 wrote:
0.999... = 0

Oh I think we can all agree that is false :P

 
PDR
1204902.  Thu Sep 15, 2016 5:40 am Reply with quote

Agreed, but I thought the convention was 0.999 = 1, which (given the notation is shorthand for 0.999r) I think we'd all agree is true.

PDR

 

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