The following table compares the features of spWall 3.6x and its predecessors pcaWall and TILT/pcaWall.
| FEATURE | TILT/pcaWall v1.0 - 2.0 | pcaWall v3.0 | spWall v3.6x |
| General | |||
| Operating System | Microsoft Windows 3.1 or above | Microsoft Windows 98 or above | Microsoft Windows XP and Vista |
| Evaluation Version | No | Yes | Yes |
| Electronic Documentation | Help file (.HLP) |
Help file (.HLP) Manual file (.PDF) |
Help file (.HLP) Manual file (.PDF) accessible directly from the program |
| Printed Documentation | Yes | On demand | On demand |
| Context Sensitive Help | No | No | Yes |
| Checking for Updates | No | No | Yes |
| Digitally Signed Installation | No | No | Yes |
| Network Licensing | No | Yes | Yes |
| License Server Redundancy | No | No | Yes |
| Input Data File Format | pcaWall v2.00 (.WAL) format |
pcaWall v3.00
(.WA3) format pcaWall v2.00 (.WAL) format-read only |
pcaWall v3.00
(.WA3) format pcaWall v2.00 (.WAL) format-read only |
| Input Auto Saving | Yes | Yes | Yes |
| Recent file list | No | Yes | Yes |
| Modeling and Calculation | |||
| Capacity | About 3,500 nodes | 10,000 nodes | 10,000 nodes |
| Solution-time Ratio for 3,500 Nodes | 30 | 1 | 1 |
| Code/Standard |
ACI 318-95 CSA A.23.3-94 |
ACI 318-02 CSA A.23.3-94 |
ACI 318-05 CSA A.23.3-04 ACI 318-02 CSA A.23.3-94 |
| Metric Units | Yes | Yes | Yes |
| US Customary Units | Yes | Yes | Yes |
| Second Order Analysis | Yes | Yes | Yes (by default) |
| Cracking Coefficients | Yes | Yes | Yes |
| Point and Line Loads | Yes | Yes | Yes |
| Uniform Area Loads | Yes | Yes | Yes |
| Linearly Varying Area Load | No | Yes | Yes |
| Rectangle and Circular Stiffeners | Yes | Yes | Yes |
| T-shaped Stiffeners | No | Yes | Yes |
| Different Wall-reinforcement Limits for Vertical and Horizontal Directions | No | Yes | Yes |
| Circular Layout for Stiffener Longitudinal-reinforcement | For circular sections only | For both circular and rectangular sections | For both circular and rectangular sections |
| Visualization and Reporting | |||
| Geometry View - Planar | Yes | Yes | Yes |
| Zoom In / Zoom Out | Yes | Yes | Yes |
| Geometry Panning | Yes | Yes | Yes |
| Text Results - View | Yes | Yes | Yes |
| Text Results - Print | Yes | Yes | Yes |
| Text Results - Save to file | Yes | Yes | Yes |
| Contours & Diagrams- View | Yes | Yes | Yes |
| Contours & Diagrams- Print | Yes | Yes | Yes |
| Contours & Diagrams- Print Preview | No | Yes | Yes |
| Contours & Diagrams- Copy to Clipboard | No | Yes | Yes |
| Annotated Contours & Diagrams | No | No | Yes |
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