Bits of mathematics
My name is Koko and I will teach you how to make silly faces
An approach to trigonometry
that won Lester Ford Award in 2010
trigonometric tables
rational approximations (1 page)
I wander, I wonder
it's very simple but
easy to see
simple geometric facts
An ad
and a
counter-ad
of the Calculus
the Fermat point
many drawings instead of one
Chinese Remainder Theorem
yes, it is geometry
an exercise on
S
_{3}
S
_{3}
is a many-splendered thing
Groups of order 12
is there anything to talk about?
quotations
on maths and other langs
on "Math Landscapes"
personal entry to my 2001
compilation of Internet maths