au=bernauthor basedon=4.5 Example 25b bau=Bello bname=Topics in Contemporary Mathematics by Bello 2008, ed. 9, ISBN 0618775242 book=usf_math_bello_tcm_9e btitle=Topics in Contemporary Mathematics chap=4 cname=Numeration Systems comm=e25b (from usf_math_bello_tcm_8e.4.5.6) Answer Type: P difflev=0 edt=9 error= extlink= gradable=1 ilev=0 isbn=0618775242 kw= lo=4.5.4 loname=Hexadecimal Addition and Multiplication page= parse=preview pr=bernproofer pt=full sect=5 sname=Octal and Hexadecimal Arithmetic source= spell=preview st=gold taxon= tname=Hexadecimal Multiplication view=edit_h warn=1 year=2008