[wups]

Hey, are u saying, that u have to answer the question in 0,1sec( which is 100msec)?

pawn Код:

SetTimer("endmath",100,1);

If you want to set it to 100 seconds, write 100*1000. That will be easy 4 u to understand.

Also, why do you check every 100 msec, if the maths is started? You could do:
http://pastebin.com/YyecutPn
This is fully fixed script. Didn't test it though.