function Round(I,O)O=O or 0 local o=10^O return math.floor(I*o+.5)/o end function SigNum(I)if I==0 then return 1 end return math.abs(I)/I end


function Round(number, decimal)
	decimal = decimal or 0
	local mult = 10^decimal
	return math.floor(number * mult + .5)/mult
end

function SigNum(num)
	if num == 0 then return 1 end
	return math.abs(num)/num
end
