complexity.zone
coding and math projects
by Tim Samshuijzen
SHA-256 Circuit
2025

SHA-256 (SHA-2) hash generator showing all bit operations as you type.
Proof of the Hardy-Littlewood K-tuple Conjecture
2025

Using primorial symmetries to prove the infinitude of twin primes.
On the Spectra of Primes in the Sequence of Least Prime Factors
2024

A study of primorial symmetries in the sequence of least prime factors.
Riemann Zeta Scope
2023

A tool for studying the partial sums of the Riemann zeta function.

Möbius inversion of a square wave
2023

From constructing a square with circular wheels to constructing a circle with square wheels.

SHA-256 bit operations
2023

Poster showing all bit operations of the SHA-256 (SHA-2) algorithm.
Head-up Cardboard
2014

A 3D head-up display inspired by Google Cardboard. Stereoscopic AR holography with a mobile phone.
Solar System for
Google Cardboard

2014

World's first 3D AR/VR mobile web app.
3D surface graph
2014


Visualize a function as a surface in 3D space.

Problem Solver
2013

Programmable puzzle solver and game tree explorer.


Helix Harmonic Analyzer
2006

The most simple mechanical harmonic analyzer.

OutOfBrain
2004 - 2008

Multi-agent systems based on graph rewriting.
Field Robot Event 2004
2004

Participating in the Field Robot Event 2004.
Sixty Wheels
2002

Application for visualizing Fourier Series.
One-shot panorama
2001

One-shot panorama using a spoon.
Autostereograms
1993

3D images hidden in 2D patterns.