The following steps will guide you to get LaTeX formula working in Inkscape running Windows7 (64 bits).
Step 1 - Install ghostscript
Step 2 - Install ghostview
Step 3 - Install pstoedit
The pstoedit installer pstoeditsetup_win32.exe downloaded from here.
Step 4 - Install Inkscape
The Inkscape installer Inkscape-0.48.2-1.exe downloaded from here.
Step 5 - Define path installation folder
- Right click on computer -> Properties
- Click the Advanced system settings
- Click the Environment Variable
- Select Path and click Edit
- Add (DO NOT REPLACE THE EXISTING VALUE) to the end of variable value, the following paths:
Step 6 - LaTeX Formula should be available and it works!