deltabydelta.com

Delta by Delta

The derivation your textbook skipped.

One engineering question at a time, explained from first principles. Each topic ships as a pack: a PDF guide that walks a beginner in from zero, an Excel sheet with the calculation laid out, and a code template you can run.

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Delta by Delta

For engineers, students, and simulation practitioners

Animated derivations of the math behind simulation — CFD, linear algebra, machine learning. Intuition first, then the full math, nothing skipped.

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