Mathematics

Associated with Math.SE; for both general discussion & math qu...
Jan 17, 2017 19:45
what tag is better?
Jan 17, 2017 19:44
you are right
Jan 17, 2017 19:43
-6
Q: would you mind help me why it is not always correct?

Somaye$ \nabla^{2}_x \Delta ^{-1}(P)=P $ Is it correct ???? why not?

Jan 17, 2017 19:42
i asked it at page of calculus'
Jan 17, 2017 19:41
oh thanks
Jan 17, 2017 19:40
Hi would you mind help me?about my question'
Jan 17, 2017 19:39
Hi
Nov 8, 2015 08:36
@robjohn
Nov 6, 2015 09:55
hi
Apr 30, 2014 12:48
@DanielFischer
Apr 9, 2014 13:08
Have nice dream :)
Apr 9, 2014 13:07
i am at work
Apr 9, 2014 13:05
what are you doing?
Apr 9, 2014 13:03
miss you and them
Apr 9, 2014 13:02
i cant see other friends
Apr 9, 2014 13:02
:) nice to see you on line
Apr 9, 2014 13:01
thanks good
Apr 9, 2014 13:00
@skullpatrol how are you?
Apr 9, 2014 12:59
Hi
Apr 7, 2014 11:33
@skullpatrol how are you?
Apr 7, 2014 11:27
hi
Oct 2, 2013 12:22
@JayeshBadwaik how are you?
Oct 2, 2013 12:21
hi
Jun 14, 2013 18:10
dorud
Jun 13, 2013 18:27
@MaisamHedyelloo ?
Jun 13, 2013 18:27
hi
 
Apr 30, 2014 13:04
thanks you too
Apr 30, 2014 12:56
i waste your time
Apr 30, 2014 12:56
excuse me
Apr 30, 2014 12:56
ok
Apr 30, 2014 12:55
:(
Apr 30, 2014 12:55
but the references are not avalable for every one
Apr 30, 2014 12:55
i recive some email with some subject for a good work
Apr 30, 2014 12:54
can i ask what is your university?
Apr 30, 2014 12:53
for good article
Apr 30, 2014 12:53
then how can a start a work
Apr 30, 2014 12:52
what is your storng point?
Apr 30, 2014 12:51
do you know some one to help me?
Apr 30, 2014 12:51
ho can i apply
Apr 30, 2014 12:51
i need some one to help me about
Apr 30, 2014 12:51
i am ma about numerical analysis
Apr 30, 2014 12:50
are you proffesore?
Apr 30, 2014 12:50
about how can i apply
Apr 30, 2014 12:49
i have question
Apr 30, 2014 12:49
i have so,e question
Apr 30, 2014 12:49
i disturb you
Apr 30, 2014 12:49
excusme
Apr 30, 2014 12:47
:(
Apr 30, 2014 12:47
are you there?
Apr 30, 2014 12:47
hi