Math Hands: Finger Figuring to Turn your Hands into a High-speed Calculator (MemoMathics: Supercharge your learning skills)

Math Hands: Finger Figuring to Turn Your Hands into a High-Speed Calculator. Add, subtract, multiply, and divide large numbers on your fingers far faster than traditional methods. Multiply two 6-digit numbers or divide a 9-digit number by a 6-digit divisor using only your hands and your mental prowess. Learn our unique ground-breaking never-before-seen Gelosia Division, Gelosia Multiplication, and Magic Subtraction and much more. Math Hands is for all hands, big and small!