# Wolfram|Alpha doesn't understand ln(erf(x))?

Posted 1 month ago
307 Views
|
|
0 Total Likes
|
 It doesn't understand "ln(erf(x))", but it does understand "erf(ln(x))". I've tried both natural language and math input with the same result.
 It does seem to understand plot log(erf(x)) for x=0 to 2 and roots log(erf(x)) == -x but doesn't seem to understand some other queries.