plural of pandiagonal magic square

(number theory, recreational mathematics) A magic square with the additional property that the broken diagonals also summate to the magic constant.

present participle of puff the magic dragon

plural of Chinese magic mirror

A kind of ancient mirror made from polished bronze and capable of projecting a pattern onto a surface when struck by bright light.

plural of magic lantern show

Third-person singular simple present indicative form of magic up

(number theory, recreational mathematics) A magic square of order n containing the numbers 1 to n² and where each 2 × 2 subsquare sums to 2s, where s = n² + 1, and all pairs of integers distant n/2 along a (major) diagonal sum to s.

(number theory, recreational mathematics) A magic square using the decimal digits of the reciprocal of a prime number.

plural of prime reciprocal magic square