publish: true gemini: true tags:

• software_engineering
• 3d_printing created: ‘2026-05-04 14:40’ last_modified: ‘2026-05-04 14:40:00’ status: evergreen confidence: fact

Separation of concerns improves maintainability

Dividing a program into distinct, non-overlapping modules prevents bugs in one area from cascading into another. In hardware, this strict bounding is why Tolerance testing is mandatory for mechanical assemblies.¹

Footnotes

1. Dijkstra, E. W. (1974). On the role of scientific thought. ↩