if ($coupon_style eq "A" && $subtotal-$acoup_not_allowed_for_this_part
+ >= $must_spend)
     {
      $take_off_this_much = ($coupon_amount/100) * ($subtotal-$acoup_n
+ot_allowed_for_this_part);


    $a_take_off_this_much = sprintf ("%.2f", $take_off_this_much);



      $b_take_off_this_much = &display_price($a_take_off_this_much);
      
      $coup_work= sprintf("%.2f", $take_off_this_much);
      $rooker = sprintf ("%.2f", $take_off_this_much);
      $a1_num_grand_total = sprintf ("%.2f", $num_grand_total);
      $num_grand_total = $a1_num_grand_total;
     
    $fiddler = ($num_grand_total - $coup_work);
          
      $a_fiddler = &format_price($fiddler);
      $b_fiddler = &display_price($a_fiddler);

[download]
$a_take_off_this_much is what we are looking at here, say the actual number is 1.085, it returns 1.08 (bad).

I'm not sure I understand the second reply... (sorry, I'm quite new at this).

Thanks again,

Pete

Edit by tye

In reply to Re: Re: A simple rounding question, but can't get it! by DippinPete
in thread A simple rounding question, but can't get it! by DippinPete

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.