For this year’s Math Intermediate course at Leiden University College The Hague, I helped develop some of the materials.

**Lecturer:** Owen Biesel

**Email:** bieselod@math.leidenuniv.nl (no longer valid; use the Contact form)

### Course documents

- Syllabus
- Course Reader
- Explorations Handouts that I wrote.

### Course links and videos

- Plus Magazine: The philosophy of applied mathematics
- Plus Magazine: 101 uses of a quadratic equation: Part II
- Plus Magazine: Maths goes to the movies
- Plus Magazine: The origins of proof
- Plus Magazine: The origins of proof II : Kepler’s proofs
- Plus Magazine: Picking holes in mathematics
- Plus Magazine: The life and numbers of Fibonacci
- Vi Hart: Doodling in Math: Spirals, Fibonacci, and Being a Plant
- Plus Magazine: From dust to us
- Plus Magazine: The magical mathematics of music
- Rational Numbers Animation I made. (no longer accessible)
- Vi Hart: What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch)
- 60-Second Adventures in Thought: Hilbert’s Infinite Hotel
- Plus Magazine: A glimpse of Cantor’s paradise
- Vi Hart: How many kinds of infinity are there?
- Vi Hart: Proof some infinities are bigger than other infinities
- Desmos Graphing Calculator with presets.
- Plus Magazine: Radioactive decay and exponential laws