i dont see why you have the on text and the alias

on *:text:.c*:#: {
  if (!$2) msg $chan 4(9[1Calculater9]4)1 : No parameters given. Halting.
  else msg $chan 4(9[1Calculating:14 $2- 9]4) | msg $chan  4(9[1Result9]4)1==4 $calc($2-) 
}