document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250761>Question 250761</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you find a non-perfect square root.<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 #184626 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=184626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here is a pretty cool Babylonian system:<BR>\n" );
document.write( "Let the number you are given be N.<BR>\n" );
document.write( "We want sqrt(N).<BR>\n" );
document.write( "N can be expressed as a^2 +-b.<BR>\n" );
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document.write( "The estimate is A +- b/2a.<BR>\n" );
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document.write( "ex: sqrt(20)<BR>\n" );
document.write( "srt(20) = sqrt(4^2 + 4)<BR>\n" );
document.write( "sqrt(20) ~ 4 + 4 / 2*4 ~ 4 + 1/2 ~ 4.5.<BR>\n" );
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document.write( "ex: sqrt(53)<BR>\n" );
document.write( "sqrt(53) = sqrt (7^2 + 4)<BR>\n" );
document.write( "sqrt(53) ~ 7 + 4 / 2*7 ~ 7 + 2/7 ~ 7.28.<BR>\n" );
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document.write( "Now, practice on your own.<BR>\n" );
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