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mckeonj
755495.  Wed Oct 27, 2010 8:16 am Reply with quote

! is actually the Greek word io, meaning 'joy'; similarly, ? is an abbreviation qo of the Latin word quaero, meaning 'query'.
And now we have developed @, meaning 'at'.

 
Steven
755496.  Wed Oct 27, 2010 8:21 am Reply with quote

& = and?

 
Efros
755514.  Wed Oct 27, 2010 9:32 am Reply with quote

& is a running together of 'e' and 't', from the latin et for and.

 
zomgmouse
755515.  Wed Oct 27, 2010 9:36 am Reply with quote

"Et", not "et", if we're being pedantic.

 
Efros
755550.  Wed Oct 27, 2010 1:13 pm Reply with quote

If we're being real pedantic then it would be 'E' and 'T' cursive.

[img]http://en.wikipedia.org/wiki/File:Historical_ampersand_evolution.svg[/img]

 
Celebaelin
755727.  Thu Oct 28, 2010 7:25 am Reply with quote

@ Posters & lurkers in general
Efros wrote:
If we're being real pedantic...

Pedantic? On this site? Surely not!

 
plinkplonk
758851.  Mon Nov 08, 2010 6:03 pm Reply with quote

[quote="mckeonj"]! is actually the Greek word io, meaning 'joy'; quote]

Did that come before the use of ! as a mathematical symbol, I wonder...

1! =1
2! =2
3! =6
4! =24

 
Moosh
758852.  Mon Nov 08, 2010 6:07 pm Reply with quote

plinkplonk wrote:
mckeonj wrote:
! is actually the Greek word io, meaning 'joy';


Did that come before the use of ! as a mathematical symbol, I wonder...

1! =1
2! =2
3! =6
4! =24

Well since that notation was introduced by Christian Kramp in Elements d'arithmétique universelle, 1808, I'd go with yes.

 
RLDavies
758980.  Tue Nov 09, 2010 8:11 am Reply with quote

"& the Extra-Terrestrial" loses a bit in the abbreviation, I think.

Doesn't the use of ! as the factorial symbol derive from the astonishing way the numbers become so enormous so quickly?

 

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