Welcome to Idius Land!.  I'm currently in the process of overhauling the site.  I'm working on the overall structure and planning the content. This web site is mostly a hobby, so progress is slow. Thus far, I have only added these new pages:

Pythagorean theorem
integration by parts
research log
web log (Across the Universe)
completing the square
About Idius Land!
Résumé / CV
Euler's formula
the quadratic formula
inverse trig function derivatives
implicit differentiation
my research
photo gallery
the product rule
complex trigonometry
leave a comment
contra vs covariant
complex numbers
research links
physics resources
inverse trig functions