Engineering and safety disclaimer

These tools are educational aids. They are not certified design, analysis, laboratory, medical, flight, structural, electrical-safety, or chemical-safety software.

Independent verification required

Check formulas, constants, units, numerical precision, assumptions, boundary conditions, and applicability against course materials, standards, manufacturers’ data, or qualified professional review.

Do not use for safety-critical decisions

Do not rely on the website as the sole basis for decisions that could affect health, safety, property, regulatory compliance, or mission-critical systems.