Column based And logic.

Example:

  my $yeshigh=Ref(High,-1); #Previous High
  my $yeslow=Ref(Low,-1);   #Previous Low
  my $answer= If(High>$yeshigh & Low>=$yeslow, 1, 0);
  #If the high is greater than the previous high AND the low is greater than or equal
  #to the previous low.

Related functions:

- , + , * , / , % , ** , += , -= , *= , /= , %= , **= , ++ , -- , <=> , >= , > , < , <= , == , != , | , ~ , << , >> , If