MATHEMATICS IS COLORFUL !!
The Chinese Remainder Clock
A mathematical clock based on the Chinese Remainder Theorem.
Visualizing recurrence sequences
A sliding mask to visualize the recurrence relation for the Fibonacci sequence and any other recurrence sequence.
- Unmasking recurrence sequences, pdf.
A didactical card game for learning the Congruence and Similarity Theorems for triangles.
- Sim!Cong! The instructions and the set of printable cards.
The Mastermind Rad
A didactical tool for understanding Knuth's algorithm for winning Mastermind in at most five moves.
- The Master Mind Rad and some introductory Slides.
- with Thomas M. Fiore and Alexander Lang, Tactile tools for teaching: an implementation of Knuth's algorithm for mastering mastermind.
Triangles that are almost congruent.
A geometric construction for the gcd and the lcm.
Other mathematical projects
Various further projects.