On Sat, 2008-10-11 at 10:45 -0400, Olin Lathrop wrote:
>  At least Pascal tried with ":=" and does use "=" for the
> statement of equality.

You need to go further back than Pascal to find the original use of 
":= " ( which is read as "becomes" ).

I think it first appeared in Algol 58.  (Yup, Wikipedia agrees).

PeterO



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