Membership Plans

Choose Your Plan

Free calculators stay free — no account needed. For the full library, pick the plan that fits. Cancel anytime; access runs to the end of your paid period.

Student
$20
per year · billed annually
  • All courses & completion certificates
  • Student calculator set — Flange & Valve Weight, Pipe Support Span, Expansion Loop, L-Bend Stress
  • Bonus engineering ebook (added July)
  • New course content as published

Valid student status required

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