document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=52367>Question 52367</A>: <I><SPAN STYLE=\"word-break: break-all;\"> does the number pi, which represents the ratio of the circumfrenece and diameter of a circle, can be represented by a complex number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #34891 by </B><A HREF=/tutors/aboutme.mpl?userid=THANApHD><B>THANApHD(104)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=THANApHD><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=THANApHD><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=34891\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Pi ( ratio of the circumfrenece ) is not a complex number. But it is a real number which an ever exist. the only problem is it can  not be defined to a precise decimal. It is an irrational number. Like <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282%29 ALIGN=MIDDLE  ALT=\"sqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "&#9573; =3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 (up to 50 decimals) &#9573; can not be expressed as a fraction.<BR>\n" );
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