Formula Syntax Help

  • Thread starter Thread starter Ikaabod
  • Start date Start date
I

Ikaabod

I recently saw someone using the following formula on these boards:
=SUMPRODUCT(--(Sheet1!E2:E65536="east"),--(Sheet1!I2:I65536 >38717))

I'm not familiar with this "--" and can't seem to figure out it's exact
usage.

Also, what's the difference between Sumproduct and Sum?

Thanks much,
Ikaabod
 
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