Now I'm wondering if it is mainly us old-timers
    from the dawn of pocket calculators age that were
    taught wrong?? Any thoughts, older people??

Hmm.  I'm 41, learned to use a slide rule in high school, and learned "5 or
more; round up" (and also "add .5 and truncate", on ASR33.)  Actually,
number lines were very popular in the "new math" cirricula, and it was/is
awfully clear that EXACTLY halfway is the only sticky point.  I'd never
heard of the odd/even rounding mentioned here before, but that makes sense.

BillW

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