ESP Composites - Software Installation Instructions for eBJSFM, eStability, and ePressure eBJSFM ----------------------- In order for the Excel eBJSFM to work, you must also download and extract the eBJSFM executable. Note: No installation is required. Simply extract the contents to a folder. The Excel file and the executable must be linked. eStability & ePressure ----------------------- Both of these programs use CalculiX, an open source finite element solver and pre/post processor. Note: No installation is required. Simply extract the contents to a folder. For these programs, you must download and extract the CalculiX files. The Excel files and CalculiX must be linked.