document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=7217>Question 7217</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what do the symbols stand for which look like an exclamation point!  ? and what do the symbol stand for which is a M flipped sideways almost like a backwards E?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #3991 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=3991\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5! is shorthand for 5x4x3x2x1, which is called a \"factorial\"\r<BR>\n" );
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document.write( "so, 9! is 9x8x7x6x5x4x3x2x1 etc\r<BR>\n" );
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document.write( "Backwards E means \"there exists\".\r<BR>\n" );
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document.write( "I cannot write \"backwards E\" so i shall write 3 instead:\r<BR>\n" );
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document.write( "3x means \"there is/are x-values that...\" and then you are given some function or qualifier.\r<BR>\n" );
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document.write( "Hope that helps.\r<BR>\n" );
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document.write( "jon.\r<BR>\n" );
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