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Writing on tech, AI and personal finance.

Some pieces are short, some go deep. Each one is tagged Tech, AI or Money.

All writing

How a mortgage payment is calculatedMoney · Oct 2026

The formula, worked through for €200,000 over 25 years at 3.8%.

Never store money as floatsTech · Oct 2026

Why 0.1 + 0.2 isn't 0.3, and three safer ways to handle money in code.

AI suggestions should wait for your approvalAI · Oct 2026

Why AI in a finance app should suggest rather than act.

Where every number comes fromMoney · Oct 2026

What banking projects taught me about trusting numbers, and how Euporia shows them.

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