https://www.steefware.com/blog/ The ideas and math behind steefware's simple, free web tools. en https://www.steefware.com/blog/aflossingstabel-berekenen.html https://www.steefware.com/blog/aflossingstabel-berekenen.html Wed, 08 Jul 2026 08:00:00 GMT Hoe een annuïteit werkt, waarom je eerst vooral interest betaalt, en hoe je zelf je aflossingstabel opstelt. (Nederlands) https://www.steefware.com/blog/vvpr-bis-uitgelegd.html https://www.steefware.com/blog/vvpr-bis-uitgelegd.html Wed, 08 Jul 2026 08:00:00 GMT De voorwaarden, de wachttermijnen en een rekenvoorbeeld voor de verlaagde roerende voorheffing op dividenden. (Nederlands) https://www.steefware.com/blog/wled-p1-energy-light.html https://www.steefware.com/blog/wled-p1-energy-light.html Wed, 08 Jul 2026 08:00:00 GMT Flash WLED with the HomeWizard P1 usermod straight from your browser and turn your smart meter data into an ambient energy light. https://www.steefware.com/blog/tank-level-calculator.html https://www.steefware.com/blog/tank-level-calculator.html Wed, 08 Jul 2026 08:00:00 GMT Why 50 cm on the dipstick is not 50% of the volume — the circular segment math behind tank levels. https://www.steefware.com/blog/solar-panel-roof-layout.html https://www.steefware.com/blog/solar-panel-roof-layout.html Wed, 08 Jul 2026 08:00:00 GMT Panel dimensions, edge setbacks, portrait vs landscape — the geometry your installer's quote glosses over. https://www.steefware.com/blog/solar-forecast-explained.html https://www.steefware.com/blog/solar-forecast-explained.html Wed, 08 Jul 2026 08:00:00 GMT From cloud cover to kilowatt-hours: what goes into predicting what your panels will produce tomorrow. https://www.steefware.com/blog/strong-passwords.html https://www.steefware.com/blog/strong-passwords.html Wed, 08 Jul 2026 08:00:00 GMT Length beats cleverness. A short tour of password entropy, and why four random words beat "Tr0ub4dor&3". https://www.steefware.com/blog/triangle-calculator.html https://www.steefware.com/blog/triangle-calculator.html Wed, 08 Jul 2026 08:00:00 GMT Pythagoras, arctangent and area: the math behind roofs, ramps and ladders, with worked examples. https://www.steefware.com/blog/stocksim-learn-the-market.html https://www.steefware.com/blog/stocksim-learn-the-market.html Wed, 08 Jul 2026 08:00:00 GMT StockSim is not financial advice. It is financial anti-advice, and that is the point. https://www.steefware.com/blog/birdyflap-postmortem.html https://www.steefware.com/blog/birdyflap-postmortem.html Wed, 08 Jul 2026 08:00:00 GMT What building a Flappy Bird clone teaches you about gravity, game feel, and shame.