No it is not from the deb package.
I know where the software is installed. Its in /usr/local/comsol40a. The vendor
documentation says that after installing the software, comsol command should
appear in terminal. So, in terminal I typed "com" and pressed "tab", but nothing
appeared. I tried with capital C as well, but no luck.
Is there any way to check whether comsol is really installed or not?