Looking for more on completing the square in a quadratic expression? Check out our National 5 Maths guide. Nat 5 Maths - Completing the square in a quadratic expression. revision-guideNat 5 Maths - ...
Magic Squares: A touch of mysticism and a lot of brain-challenging fun! By Marcel Danesi, Ph.D. in Brain Workout One of the most fascinating number games of all time is the magic square. In its ...