Month: April 2016

depression near Greenland – logarithmic spirals in nature

Logarithmic spirals frequently occur in nature.  Is this such a manifestation? The general equation for a logarithmic spiral is as follows. Changing the variables and produces spirals of different qualities.  The is really an enlargement scale factor but the controls how the spiral grows per revolution. If is more representative of an ammonite then seems …

depression near Greenland – logarithmic spirals in nature Read More »

third century wisdom of Diophantus gives us the essential truth about teaching and learning mathematics

The Google facsimile of the 1621 edition of Diophantus’s Arithmetica lays out, in original Greek and Latin translation, the essentials for success in teaching and learning mathematics.  Also included is the translation of the second half by Heath. When I first studied and learned to love mathematics I was beset by friends and family who stridently claimed that …

third century wisdom of Diophantus gives us the essential truth about teaching and learning mathematics Read More »