mea culpa! I realised that slight omission when I woke up this morning!
The other option is to use the "//"?
e.g. //mode <etc>
Both the $calc and the $nick would have to be revaluated?
/timerautolimit 0 10 /mode #chan +l $!calc($!nick(#chan,0) + 5)
Cheers,
DK