@function sum($a,$b) {
	@return $a + $b;
}

@function difference($a,$b) {
	@return $a - $b;
}

@function product($a,$b) {
	@return $a * $b;
}

@function integer-division($a,$b) {
	@return ($a - ($a % $b))/$b;
}

@function remainder($a,$b) {
	@return $a % $b;
}

@function float-division($a,$b) {
	@return $a / $b;
}