document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=950143>Question 950143</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The formula to calculate interest and update balance is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=+P%281%2B%28r%2Fn%29%29%5Ent ALIGN=MIDDLE  ALT=\"A=+P%281%2B%28r%2Fn%29%29%5Ent\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "A = amount<BR>\n" );
document.write( "P = initial amount<BR>\n" );
document.write( "r = interest rate<BR>\n" );
document.write( "n = times per year<BR>\n" );
document.write( "t = amount of years\r<BR>\n" );
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document.write( "Is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A-P ALIGN=MIDDLE  ALT=\"A-P\"   DISABLED_style= \"max-width:90%; height:auto;\" > the same as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28r%2Fn%29%5Ent ALIGN=MIDDLE  ALT=\"P%28r%2Fn%29%5Ent\"   DISABLED_style= \"max-width:90%; height:auto;\" >?\r<BR>\n" );
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document.write( "I need just the amount of interest calculated.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #580144 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=580144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=+P%281%2B%28r%2Fn%29%29%5Ent ALIGN=MIDDLE  ALT=\"A=+P%281%2B%28r%2Fn%29%29%5Ent\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=+P%2BP%28r%2Fn%29%5Ent ALIGN=MIDDLE  ALT=\"A=+P%2BP%28r%2Fn%29%5Ent\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A-P=P%28r%2Fn%29%5Ent ALIGN=MIDDLE  ALT=\"A-P=P%28r%2Fn%29%5Ent\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Yes, interest is always the amount at the end of the period(A) minus the initial investment(P) </SPAN>\n" );
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