1<?xml version='1.0'?> 2<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN' 3 'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd' 4 [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 5<html xmlns='http://www.w3.org/1999/xhtml'> 6<head><title>floating_point_eg3</title> 7<!-- MathML created with MathCast Equation Editor version 0.89 --> 8</head> 9<body> 10<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 11 <mrow> 12 <mfenced> 13 <mrow> 14 <mn>3</mn> 15 </mrow> 16 </mfenced> 17 <mspace width="1em"/> 18 <mspace width="1em"/> 19 <mfrac> 20 <mi>d</mi> 21 <mrow> 22 <mi>d</mi> 23 <mi>x</mi> 24 </mrow> 25 </mfrac> 26 <mi>sin</mi> 27 <mi>x</mi> 28 <msub> 29 <mo>|</mo> 30 <mrow> 31 <mi>x</mi> 32 <mo>=</mo> 33 <mfrac> 34 <mi>π</mi> 35 <mn>3</mn> 36 </mfrac> 37 </mrow> 38 </msub> 39 <mo>=</mo> 40 <mi>cos</mi> 41 <mfrac> 42 <mi>π</mi> 43 <mn>3</mn> 44 </mfrac> 45 <mo>=</mo> 46 <mfrac> 47 <mn>1</mn> 48 <mn>2</mn> 49 </mfrac> 50 </mrow> 51</math> 52</body> 53</html> 54