Documentation/Modules
All modules
Each page includes formulas, calculation methods, catalog assumptions, limitations, and engineering checks.
Structural Engineering
Beams, frames, columns, plates, and structural analysis
Power Transmission
Belts, chains, and multi-pulley drives
Machine Design
Shafts, gears, bearings, and rotating systems
Springs
Helical compression, extension and torsion springs
Fasteners & Connections
Bolts, welds, rivets, threaded joints
Materials & Sections
Material properties and cross-sections
Pressure Systems
Pipes, vessels, and pressure components
Dynamics & Vibrations
Motion, vibration, and dynamic systems
Manufacturing
Tolerance analysis and fit systems
Technical Tools
Formula reference and unit conversion