document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=463977>Question 463977</A>: <I><SPAN STYLE=\"word-break: break-all;\"> each user on a computer system has a password which can be 5 to 7 characters long, where each character is a lower case letter, an uppercase letter or a digit. Each password must contain at lease one digit. How many distinct passwords are possible </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317814 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 26*2+10=62 possible characters.<BR>\n" );
document.write( "Digitless:52P6+52P7+52P5<BR>\n" );
document.write( "With digits: 62P5+62P6+62P7<BR>\n" );
document.write( "(62P5+62P6+62P7)-(52P6+52P7+52P5)=1834446588000  distinct passwords are possible containing at least one digit.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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