Abstract
A new user-friendly software called MRCsC was developed to accurately and precisely predict macroscopic effective removal cross-section, ?R, (in cm-1) of fast neutrons for different shielding materials. The program includes a revised calculation model and the latest data published by Evaluated Nuclear Data Library ?ENDF/BVIII?. Experimental data and NXCom results were used to comparatively and statistically assess MRCsC predictions. The results reveal that both MRCsC and NXCom programs provide accurate and precise results when compared with the experimental data and that only MRCsC results are statistically equal to the experimental ones to the 95% confidence.