The formula for HW % is HW/(diffA+diffR+HW)*100 correct?
I assume it looks more like HW/((diffA+diffR+HW)*100) given that multiplication comes before division.
never wrote it down I just use a website.
http://www.coincadence.com/antminer-s1-hardware-error/Formula: Error % = HW / ( HW + DiffA + DiffR) * 100
Just use the Free Antminer Monitor MAntMonitor1.5.