Core Features
Everything you need to model, analyze, and document your structural calculations.
Model Building
- Define nodes at any coordinate
- Connect members between nodes
- Point loads on nodes
- Distributed loads on members
- Concentrated loads at any location
- Multiple load combinations
Analysis & Results
- Bending moment diagrams
- Shear force diagrams
- Axial force diagrams
- Deflection calculations
- Support reactions
- Member end forces
Productivity
- Export results to PDF
- Save and load projects
- USCS unit system
- Metric unit system
- Switch units instantly
- Cloud-based storage
Choose Your Plan
Flexible pricing for students and professionals. Start with a 14-day free trial or subscribe immediately.
Student
$10/month
Perfect for learning and coursework
- Full analysis capabilities
- All diagram types
- PDF export
- Save up to 5 projects
- USCS & Metric units
- Community support
Professional
$29/month
For practicing engineers and firms
- Everything in Student
- Unlimited projects
- Priority support
- Commercial use license
- Advanced export options
- Calculation worksheets
For Professionals & Students
Whether validating design calculations or learning structural theory, our tool provides the accuracy and clarity you need.
Professional Engineers
Consulting firms, design offices, construction companies
Typical Applications
- • Preliminary design calculations for building frames
- • Verification of software results from commercial FEA
- • Quick checks during design development
- • Teaching and mentoring junior engineers
Key Benefits
- • Faster than full 3D analysis for 2D problems
- • Transparent calculations (see the math)
- • Professional documentation for submittal
- • No black-box results
Students & Educators
University programs, self-learners, PE exam prep
Learning Features
- • Step-by-step matrix assembly visualization
- • Compare solutions with textbook examples
- • Understand the stiffness method intuitively
- • Practice problems with detailed solutions
Academic Use
- • Homework and project assignments
- • Preparation for structural analysis exams
- • Verification of hand calculations
- • Research and thesis work
Common Analysis Scenarios
Portal Frames
Industrial buildings, warehouses. Analyze lateral loads and moment connections.
Bridge Trusses
Simple and continuous trusses. Member forces under moving loads.
Multi-Story Frames
Simplified 2D analysis of building frames. Gravity and lateral load distribution.