Tag Archives: clann

Clann Tartan Membership Meeting

colgaffneyis had its annual business meeting today. We elected a new President, c_nocturnum, since her sister, mairi2, was stepping down. As Secretary, I feel like the civil servant of a dynasty, but it is a good dynasty :-)> colgaffneyis has a quite a few active and energetic members, but relatively few who will step forward into leadership roles. Three families hold four of the seven board positions, and two of the three senior staff positions. Well, none of us have been trying to make a power grab. It is more a case of filling a vacuum.

17th Century Computation

As I wrote earlier, I have been reading Gamma: Exploring Euler’s Constant, by Julian Havil, which begins with a chapter about Napier and the invention of logarithms.

The historical motivation for logarithms is quite interesting. We think of addition, subtraction, multiplication, and division as elementary, while exponents and trigonometry are more advanced. In fact, the multiplication and division involved in the practical mathematics of c.1600, e.g. navigation and compound interest, was very time consuming. People were desperate to find a faster way. Warning: Math content….