In The Bleak Midwinter

Or : Multiplying by . The beginning of complex numbers is often attributed to Cardano (1501 – 1576).  Complex numbers provide a solution to the equation . They are an extension of the number system [more…]

Original questions without answers can be found here All questions 1 mark each, unless otherwise indicated. Bonus Points where indicated. If Puffins prefer, they can download and print out the questions and answers by clicking [more…]

Yule I grew up with Yule, even though I never really understood anything about it.  It was just another word that was heard around Christmas time.  People would wish each other a merry Yuletide, and [more…]