Simple helper to visually and audibly train you on your 3 times tables. Set your maximum cruise altitude and practice your 3 times tables all the way down to the runway.
Excellent for listening to while walking the dog. Its amazing with repetition how quickly you will pick up your 3 times tables. From 35,000 feet to zero.
The more ingrained it is, the less stressed you will be when Air Traffic Control changes runway on you when you least expect it.
Practice your descent profiles. 3 or 5 times tables