Take a trip over here and explain to me what is meant by taking the double factorial of [itex]-1[/itex]. If you try to let [itex]N = 1[/itex] in the remainder formula, you wind up having to take [itex](2(0) - 1)!! = (-1)!![/itex], right? This strikes me as a typo; should it be changed? If so, to what?(adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Wikipedia error about the complementary error function?

**Physics Forums | Science Articles, Homework Help, Discussion**