Day 26/30 = 13/15 A few of my favourite things:

Bento boxes
McDonald's Coca-Cola
Java + Eclipse
My New Ridgid Drill/Driver
My Shop
Limits, Sets and Propositional Calculus
Our New RV
Complex Analysis + Holomorphic functions
0, 1, e, i, pi, phi, root 2 and infinity
Cauchy's Integral Formula
Fermat's Little Theorem
Modular Arithmetic
Groups, Rings and Fields
Linux, AMP + Open Source
Munchkin
Euler's Formula and Identity
Armadillo's, Boars and Pigs
Magnets, Elastics and Springs
Sin, Cos and Tan
A good pen or pencil
The Standard Model
Feynman Diagrams
Cats, Bats and Raccoon's
Google
Lambda Calculus and LISP
Gauss' Law
Pulleys, Levers, Ramps and Screws
Books
Go Karts
Running + Music
+ - / * ^ ! mod
Dot product, cross product and row reductions
Cuckoo Clocks
...