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Public Beta Now Open

Engineering problems, solved one step at a time

EngX is structured practice for Mechanical, Civil, and Electrical engineers: statics, dynamics, and circuits problems broken into a guided sequence, each step checked server-side before you move on.

Join the Beta

How EngX problems work

A multi-step problem, graded server-side, with the next step unlocking only once the current one is correct.

Real engineering problems
Statics, dynamics, and circuits problems grounded in actual coursework and interview questions — not reskinned coding puzzles.
Locked, step-by-step solving
Each problem unlocks one step at a time. Step two stays locked until step one is checked correct, so you can't skip ahead of your own understanding.
Server-checked, tolerance-based grading
Answers are graded server-side against an engineering-appropriate tolerance, not exact string matching — so a reasonable rounding doesn't count as wrong.

Cover all engineering disciplines

Statics
120 problems
Dynamics
95 problems
Circuits
150 problems

Simple, transparent pricing

Start free, upgrade when you're ready for more.

Free
Get started with core features, free forever
$0
  • Free practice library
  • Basic progress tracking
  • Skill tree access
  • Community access
Start Free
Plus
Unlock the full problem library
$9.99/month
  • Full problem library
  • Advanced skill analytics
  • Full Community Access
Go Plus
Most Popular
Pro
Everything in Plus, with priority support
$14.99/month
  • Full problem library
  • Advanced skill analytics
  • Priority Support
  • Full Community Access
Go Pro

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