Engineering calculations in Microsoft Word with MathCalc Professional. Write and calculate engineering equations directly in Word with live variables, units and automatically updated results, plus practical structural, civil and façade engineering tools.
Powerful Tools.
Smarter Engineering.
✓ Practically Engineered
✓ Clear, professional outputs
✓ Fast Licence Delivery
✓ Proudly developed in Australia
Focused engineering tools, built around real workflows.
StrucAssist develops practical engineering applications for structural engineers and design professionals. Each tool is created to simplify repetitive work, improve consistency and produce clear, professional outputs.
The focus is straightforward: useful engineering functions, intuitive interfaces, transparent calculations and reliable project documentation.
Purpose-built
Designed for specific structural engineering tasks.
Focused on the calculations and outputs engineers use every day.
Clear results and reports suitable for project documentation.
Refined through continued development and user feedback.
Engineering tools that work the way engineers do
A focused collection of practical tools for structural and façade engineering tasks.
Prices are shown in Australian dollars.
MathCalc Professional
Engineering Calculations Inside Microsoft Word
- Native Microsoft Word integration
- Live equations and unit management
- Professional engineering reports
- Structural, façade and civil workflows
- Automatic dependency recalculation
- Built-in engineering unit conversion
- Calculations remain inside your Word document
✓ Integrated Microsoft Word engineering application
✓ No subscription required
$395
AUD
Beam Assistant
Beam Analysis & Steel Design
- Single and continuous multi-span beams
- Automatic ULS and SLS combinations
- Standard and custom steel sections
- Live diagrams, design checks and reports
- Point, UDL and partial distributed loads
- Deflection, stress and vibration checks
- Integrated AS 4100 steel design
✓ Standalone engineering application
✓ No subscription required
$275
AUD
Section Builder Assistant
Custom Section Properties & DXF Import
- Standard and custom section profiles
- DXF section import and validation
- Comprehensive section properties
- Offline, portable single-file app
- Centroid and principal-axis calculations
- Elastic and plastic section properties
- Torsion, radii of gyration and section moduli
✓ Standalone engineering application
✓ No subscription required
$165
AUD
Welding Assistant
Professional AS 4100 Weld Group Design
- Seven weld group configurations
- Combined loading analysis
- Real-time utilisation checks
- Live geometry and branded reports
- AS 4100 weld capacity checks
- Automatic centroid, Ix, Iy and polar J
- Axial, shear, bending and combined actions
✓ Standalone engineering application
✓ No subscription required
$75
AUD
Wind Assistant
Fast, Accurate Wind Load Calculations
- AS 1170.2:2021 compliant
- All eight wind directions
- Automatic governing pressures
- Professional reports and PNG export
- Façade design wind pressures
- Terrain, shielding and topographic effects
- Positive and negative pressure evaluation
✓ Standalone engineering application
✓ No subscription required
$325
AUD
More to Come
We’re continuously expanding the StrucAssist product range with new engineering applications.
Custom Engineering Applications
Need a tool built around your engineering workflow?
StrucAssist may develop purpose-built engineering applications for specific design, analysis and calculation requirements. We can also customise our existing applications to suit your organisation’s particular workflows, design methods and reporting needs.
Whether you need a specialised calculation tool, automation of repetitive engineering tasks, or a tailored version of an existing StrucAssist application, we can work with you to develop a practical solution.
Custom solutions can include:
- Purpose-built engineering calculation and design applications
- Customisation of existing StrucAssist applications
- Company-specific design workflows and calculation methods
- Automated engineering checks and repetitive calculations
- Custom inputs, outputs and reporting
- Integration of your standard calculation procedures and templates
Have a specific requirement? Contact us to discuss your application.
Stay tuned for future releases.
Business & Team Licensing
Need Multiple Licences?
Purchasing for a team or multiple computers?
Contact us to discuss multi-licence options and volume pricing tailored to your organisation.
Available for engineering consultancies, contractors, fabricators, universities and government organisations.
MathCalc Professional
Calculation Software for Microsoft Word
MathCalc Professional lets you perform calculations directly in Microsoft Word. Create engineering equations, define variables, manage units and automatically update results while keeping your calculations inside the Word document. Designed for structural, civil and façade engineering calculations and professional calculation reports.
Calculate where you already write your reports
No disconnected spreadsheets, pasted screenshots or separate calculation files.
One connected engineering workflow
1. Define assumptions
2. Enter variables
3. Evaluate equations
4. Issue the Word report
Key features
Microsoft Word integration
- Native Word ribbon integration
- No external calculation files
- Calculations remain part of the report
- Familiar Microsoft Office workflow
Live calculation engine
- Automatic recalculation
- Variable dependency tracking
- Consistent results throughout the document
- Reduced manual editing
Professional engineering equations
- Engineering notation
- Readable mathematical expressions
- Automatic result formatting
- Publication-quality presentation
Intelligent unit management
- Automatic unit conversion
- Unit-aware equations
- Structural engineering quantities
- Consistent output units
Built for structural and façade engineering
Structural engineering focus
- Structural design calculations
- Checking notes
- Calculation reports
- Design verification
- Technical documentation
Façade engineering calculations
- Glazing
- Mullions and transoms
- Brackets and anchors
- Fixings
- Panels
Unique advantages
Calculations where you already work
Perform engineering calculations directly inside Microsoft Word instead of switching between applications.
One connected workflow
Replace separate spreadsheets, Word reports, screenshots and PDFs with one professional document.
Benefits
Prepare reports faster
Calculate, format and document engineering work in the same Word file.
Eliminate disconnected files
Keep assumptions, formulas and results together rather than across multiple worksheets.
Produce reviewable calculations
Create clear engineering equations instead of pasted images or black-box outputs.
Reduce transcription errors
Live recalculation minimises copying mistakes and outdated values.
Why engineers choose MathCalc Professional
Professional calculation environment
Transform Microsoft Word into a structured workspace for variables, equations, units and engineering commentary.
Natural fit with existing workflows
Prepare, review, archive and deliver calculations using the same document process your business already uses.
Beam Assistant
Fast, Intelligent Beam Analysis & Steel Design
Model continuous beams, apply real-world loading, analyse structural behaviour, verify steel member capacity and generate professional reports—all from a single intuitive application.
No disconnected spreadsheets, pasted screenshots or separate calculation files.
Complete beam workflow
1. Model spans & supports
2. Apply loads
3. Analyse behaviour
4. Verify steel design
Key features
Multi-span beam analysis
Analyse simple and continuous beams using practical support conditions.
- Pinned supports
- Fixed supports
- Spring supports
- Custom supports
- Single or multiple spans
Steel section library
Select from an extensive section database with instant access to:
- Area
- Second moments of area
- Section modulus
- Material properties
- Other governing section data
Instant results dashboard
Maximum movement
Maximum shear
Maximum deflection
Maximum stress
Support reactions
Design utilisation
Why Beam Assistant is different
Analysis and design together
Perform structural analysis and steel design in one continuous workflow.
Built for structural engineers
Designed around real engineering tasks rather than generic finite element modelling.
Immediate feedback
Every model, load or section change updates the analysis instantly for rapid optimisation.
Practical engineering focus
Provides the moments, shears, deflections, reactions, stresses and design checks engineers actually use.
Benefits
Design beams in minutes
Reduce the time required for analysis, sizing and design verification.
Reduce spreadsheet work
Automate structural analysis, combinations and design calculations in one place.
Minimise design errors
Use automatic load combinations and consistent calculation workflows.
Compare options quickly
Evaluate different beam sizes, section types and materials with immediate results.
Standard sections, DXF import and offline operation
Section Builder Assistant
Section Builder Assistant is a powerful offline engineering tool that enables engineers to create standard or custom structural cross-sections, import DXF profiles, automatically calculate comprehensive section properties and generate professional report-ready outputs – all from a single portable application with no installation or internet connection required.
Analyse standard or completely custom sections
Build common profiles from templates or import your own DXF geometry and calculate section properties immediately.
Build standard structural sections
Built-in section templates
Create common structural profiles by entering dimensions.
- Solid rectangular bars
- I sections
- C / U channels
- Angles
- T sections
- Additional standard profiles
Live dimension-driven geometry
Every dimension change updates the section shape, sketch and calculated properties instantly.
DXF section import
Import custom profiles
Analyse fabricated, welded, proprietary and irregular cross-sections directly from DXF files.
Intelligent DXF processing
- Reads closed section outlines
- Detects invalid or open geometry
- Ignores unsupported entities
- Explains how to repair problematic files
- Calculates properties from imported profiles
Key features
Live geometry preview
- Instant visual updates
- Dimension-driven geometry
- Clear section sketch
- Easy verification before export
Engineering validation
- Detects invalid geometry
- Identifies open DXF profiles
- Warns about unsupported CAD entities
- Prevents calculations from incomplete models
Unique advantages
Import any custom shape
Go beyond predefined libraries and analyse unique fabricated or proprietary profiles.
Runs completely offline
No cloud services, login, licensing server or internet connection. Engineering data remains on your computer.
Helpful DXF diagnostics
Instead of simply failing, the assistant explains geometry problems and how to repair them.
Portable single-file application
Email it, store project-specific copies, run it from USB drives or keep it anywhere without installation.
Benefits
Save engineering time
Reduce repetitive section property calculations from minutes to seconds.
Increase accuracy
Automatic calculations minimise manual errors and provide consistent results.
Analyse custom sections
Work with unique fabricated, welded and proprietary profiles—not only catalogue sections.
Improve productivity
Spend less time preparing calculations and more time designing.
✓ AS 4100 weld group design workflow
Welding Assistant
A fast, intuitive engineering tool that performs comprehensive weld group analysis in accordance with AS 4100. Designed for structural engineers, steel detailers, fabricators and engineering consultants to reduce calculation time while improving consistency and documentation.
Complete weld group calculations in minutes
Replace repetitive spreadsheet work with automatic geometry, stress, capacity and utilisation checks.
Designed around real engineering workflows
1. Select geometry
2. Enter dimensions
3. Apply loads
4. Review stresses
5. Verify capacity
Key features
AS 4100 compliant calculations
Performs weld group capacity checks including:
- Weld throat capacity
- Utilisation ratio
- Combined stress assessment
- Pass, warning and fail status
Seven weld configurations
- Single fillet weld
- Parallel welds
- Rectangular box weld
- Circular weld group
- I-section / H-section
- C-channel
- L-shaped corner welds
Automatic weld properties
No manual section-property calculations required.
- Weld centroid
- Second moments of area
- Polar moment
- Total weld length
- Effective throat thickness
- Governing properties
Combined loading analysis
Automatically combines weld stresses from:
- Horizontal shear
- Vertical shear
- Axial tension
- Bending moments
- Torsion
Project management, branding and exports
Project information management
- Client and project
- Location and item
- Revision and engineer
- Company details
Company branding
- Custom company logo
- Company details
- Branded calculation sheets
Export options
- PNG reports
- Text reports
- Saved calculation files
- Full sheet or selected sections
Engineering office ready
Professional layouts, project tracking and revision control make it suitable for office calculations and project records.
Unique advantages
Built specifically for structural welding
A dedicated weld design workflow rather than a generic engineering calculator.
Fast design iterations
Change weld sizes, geometry or loads and immediately review the updated capacity.
Visual engineering verification
Live geometry and colour-coded outcomes make checks easier to understand before issuing designs.
Eliminates spreadsheet errors
Automatically handles geometry, properties, stresses and load combinations consistently.
Benefits
Save engineering time
Complete weld group calculations in minutes instead of building manual spreadsheets.
Improve consistency
Standardised calculation workflows help every engineer follow the same methodology.
Reduce human error
Automatic calculations improve confidence and minimise repetitive input mistakes.
Professional documentation
Produce clean, branded calculation records suitable for project files.
Engineering scope and professional use
Optimise designs faster
Compare weld sizes and configurations immediately to achieve efficient solutions.
Make better decisions
Real-time utilisation ratios reveal overdesigned and underdesigned welds quickly.
✓ AS 1170.2:2021 compliant
Wind Assistant
Designed to AS 1170.2:2021, Wind Assistant automates wind pressure calculations, analyses all wind directions, identifies governing loads and generates professional reports in minutes—helping engineers work faster with greater confidence.
From 20 - 30 minutes to just a few minutes
Complete consistent wind calculations without complicated spreadsheets, hidden formulas or repetitive direction-by-direction checking.
Key features
Automatic wind pressure calculations
Instantly calculates the complete set of core wind design values.
- Design wind speeds
- Dynamic wind pressure (qz)
- Positive and suction pressures
- All eight wind directions
Smart direction analysis
Automatically evaluates every wind direction and clearly identifies:
- Maximum positive pressure
- Worst suction pressure
- The governing design cases
Interactive data entry
Simple editable fields keep project inputs clear and organised.
- Wind region and importance level
- Terrain category
- Building dimensions
- Shielding and multiplier inputs
- Site-specific information
Professional project management
Store complete job information with every calculation.
- Client and project name
- Project number and engineer
- Date and site location
- Save and reload projects
Unique advantages
Designed for Australian engineers
Purpose-built around AS 1170.2 rather than adapted from a generic structural calculator.
Eliminates spreadsheet errors
No hidden formulas, broken references or accidental spreadsheet changes.
Complete direction coverage
Checks all eight wind directions automatically instead of relying on manual repetition.
Portable application
Runs locally on your computer without complex installation or continuous internet access.
Benefits
Save hours every week
Complete wind load calculations significantly faster than traditional manual methods.
Improve accuracy
Automated calculations reduce human error and improve confidence in results.
Increase productivity
Spend more time designing and less time on repetitive calculations.
Standardise documentation
Produce consistent and professional project outputs across the business.
Deliver projects faster
Generate wind design data quickly for quotations, preliminary design and final reports.
Make better decisions
Compare every wind direction instantly and identify the governing design case.
Designed to make engineering work clearer and faster
StrucAssist focuses on practical workflows, transparent calculations and professional presentation.
Save time
Reduce repetitive calculation and reporting work so you can focus on engineering decisions.
Improve accuracy
Use consistent inputs, structured workflows and clear outputs across your projects.
Professional reports
Present calculations and results in a format suitable for project documentation and review.
Always improving
Benefit from continued refinement, new tools and feedback-driven development.
Downloads
MathCalc Professional is available as a trial. All StrucAssist applications require a Machine ID Licence Request before the full PC-locked licensed EXE is issued.
MathCalc Professional Trial
Try MathCalc Professional before purchasing and explore its core calculation workflow.
Machine ID Request Tool
Generate the .sareq file required for us to issue your full PC-locked licensed application.
How Licensing Works
StrucAssist applications are supplied as PC-locked Windows EXE files.
The licensing process is straightforward:
- Purchase your selected StrucAssist application.
- Download and run the StrucAssist Machine ID Request tool.
- Enter your email, select the product, and click Save Licence Request.
- Email the generated .sareq file to info@StrucAssist.com.
- We generate your full PC-locked licensed application and email it back to you.
- Run the licensed EXE on the registered computer—no installation or Licence Host is required.
Important:
- Each licence is locked to one computer.
- The licensed application cannot run on another PC.
- Project files may be transferred and opened using another valid licensed copy of the same StrucAssist application.
- If you replace or upgrade your computer, please contact us to arrange a licence transfer.
We normally issue your PC-locked licensed application within a few hours of payment confirmation.
During busy periods or payment verification, please allow up to 24 hours for processing.
Clear terms for using StrucAssist tools.
StrucAssist provides focused engineering tools—not professional engineering certification or project-specific design approval.
These documents explain the intended professional use of StrucAssist engineering tools and the licence provided with each purchased application.
Website and Engineering Tools Disclaimer
Last updated: 24 July 2026
1. Professional assistance
StrucAssist calculators, assistants, applications, templates, examples, reports and related materials are engineering productivity tools intended to assist suitably qualified professionals. They support engineering work but do not replace professional knowledge, experience, judgement, supervision or responsibility.
2. Engineering outputs
Outputs may include calculations, numerical results, diagrams, reports, design checks, recommendations and generated documents. Results depend on the information entered by the user and the assumptions and calculation methods implemented in the relevant tool.
3. Review and verification
Users shall review the suitability and accuracy of inputs, assumptions and outputs for the particular project. Calculations and outputs shall be independently checked and approved by a suitably qualified professional before being used for design, procurement, fabrication, construction, certification or regulatory submission.
4. Codes and standards
References to engineering standards or design codes are provided to support the calculation workflow. Users remain responsible for confirming the applicable edition, amendments, jurisdictional requirements and project-specific criteria.
5. Availability and accuracy
StrucAssist aims to provide useful and reliable engineering tools; however, calculations, documentation and application functions may contain errors, omissions or limitations. Users shall maintain appropriate independent checking and project records.
6. Liability
To the extent permitted by law, StrucAssist is not responsible for losses arising solely from unverified use of a tool or its outputs. Nothing in this disclaimer excludes, restricts or modifies rights or remedies that cannot lawfully be excluded, including applicable rights under the Australian Consumer Law.
End User Licence Agreement
Last updated: 24 July 2026
1. Agreement
This End User Licence Agreement applies to each StrucAssist engineering application purchased or otherwise supplied to the user. Installing, opening or using an application indicates acceptance of this agreement.
2. Licence grant
Subject to payment of the applicable fee and compliance with this agreement, StrucAssist grants the purchaser a limited, non-exclusive, non-transferable licence to use the purchased application for the purchaser’s own professional, educational or internal business purposes.
3. Permitted use
- Use the licensed application only on the computer to which the individual licence has been issued.
- Create, save, print and share engineering reports and outputs produced through normal use.
- Keep reasonable backup copies for the licensed user’s own use.
- Use company templates, project data and branding within supported application features.
4. Restrictions
The user must not:
- Sell, sublicense, rent, publish or redistribute the application itself.
- Share a single-user licence with unrelated users or organisations.
- Remove copyright, ownership, licence or attribution notices.
- Reverse engineer, decompile or attempt to extract protected source code, except where such restriction is prohibited by law.
- Present the application as a product developed or owned by another party.
5. Ownership
The application is licensed, not sold. StrucAssist retains ownership of the application, its interface, code, documentation, branding and related intellectual property. Users retain ownership of their own project inputs, project information and generated reports.
6. Refunds and Licence Delivery
StrucAssist engineering tools are supplied under an individual licence. Once a licence has been issued or the licensed application has been delivered, refunds are not provided for change of mind, incorrect purchase, or where the customer no longer requires the tool. Customers shall review the product description, system requirements and available trial version, where applicable, before purchasing. Nothing in this policy excludes, restricts or modifies any rights or remedies available under the Australian Consumer Law that cannot lawfully be excluded.
7. Updates and support
Updates, corrections or support may be provided at StrucAssist’s discretion or under the terms stated at the time of purchase. A licence does not automatically include every future major version or separately released application.
8. Professional use
The application is an engineering assistance tool. The licensed user remains responsible for project inputs, assumptions, professional review and the appropriate use of generated outputs.
9. Termination
The licence may be terminated if the user materially breaches this agreement. On termination, the user must stop using and distributing the application, but may retain previously generated project documents and reports.
10. Consumer rights
This agreement does not exclude, restrict or modify any guarantee, right or remedy that cannot lawfully be excluded, including rights that may apply under the Australian Consumer Law.
11. Governing law
This agreement is governed by the laws of Australia and the applicable laws of the State or Territory in which StrucAssist operates.
Contact Details and Support
If you have questions or require support, please complete our contact form or email us: info@StrucAssist.com