EGS5 input files (CG version)
<blockquote>
<ol>
<li> yourcalc<big><b>.f</b></big>    - main program, source, material, tally etc. are defined </li>
<li> yourcalc<big><b>.inp</b></big>  - material and E_max and E_min for each material, are defined </li>
<li> yourcalc<big><b>.data</b></big> - geometry (surfaces and cells definition, and linking materials to cells) </li>