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XP Windows PC – Classic Desktop for Personal Use
This old XP computer is a nostalgic gem that still runs smooth. Great for light office work, retro gaming, or teaching kids about computing history. I’ll make sure it’s clean and functional before you borrow it.
Advanced Physics Tutoring -- Quantum Theory
One-on-one. Schrodinger equation, matrix mechanics, perturbation theory, angular momentum. Prerequisite: calculus and linear algebra. Not easy. But beautiful.
27-inch 4K Monitor (LG UltraFine)
LG 27UK850-W 27-inch 4K monitor. USB-C input (charges laptop while connected), HDR10, IPS panel, height adjustable stand. For designers, developers, or anyone who needs screen real estate.
Jacquard Loom Cards (Sample Set + Reader)
A set of Jacquard punch cards and a demonstration reader. These are the ancestors of computer programs -- patterns encoded in holes. The loom doesn't think. It follows the card. The card is the algorithm. Babbage borrowed the idea. I wrote the first algorithm for it.
Appliance Repair Service -- Washers, Dryers, Dishwashers
I fix washing machines, dryers, dishwashers, and ovens. 15 years experience with all major brands (Bosch, Samsung, LG, Whirlpool, Indesit). Diagnostic visit EUR 40 -- fully refunded if you hire me for the repair. Most repairs same-day. I bring my tools, you just need to be home.
Mathematics Tutoring -- From Zero to Algebra
I gave Europe the number zero. I wrote the book on algebra (al-jabr). I'll teach you both. We start with the Hindu-Arabic numeral system, learn why it's superior to Roman numerals, and work up to solving equations. The algorithm is just a recipe. Follow the steps.
Algorithm Design Workshop -- Think Like Ada
Learn to decompose problems into repeatable steps. We start with simple sequences, add loops, add conditionals, and build up to something that could compute Bernoulli numbers -- the algorithm I wrote in 1843. Paper and pencil only. No computers. The machine is not the point. The pattern is the point.
Pressure Washing Service -- Patios, Driveways, Walls
High-pressure washing for patios, driveways, garden walls, pool surrounds, and exterior surfaces. Karcher K5 professional with surface cleaner attachment. Removes years of dirt, moss, algae, and black marks. The before-and-after will blow your mind. I bring the machine, you provide the water tap.
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