Upright angled display provides maximum viewing comfort of the large easy-to-read numbers.Display indicates the operation symbol during a calculation and equal sign appears with result.PC-like keyboard touch and sound helps with accurate keying of entries.Upright angled display provides maximum viewing comfort of the large easy-to-read numbers. Display indicates the operation symbol during a calculation and equal sign appears with result. PC-like keyboard touch and sound helps with accurate keying of entries.