<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Have you tried using \dfrac inside the numerators and denominators? This will force them to be display size fractions.<br><div><div>On Apr 17, 2009, at 8:06 AM, Michael Kubovy wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Friends,<div><br></div><div>This:</div><div><div><font class="Apple-style-span" face="'Courier New'"><div>\listfiles</div><div>\documentclass[]{minimal}</div><div>\usepackage{amsmath}</div><div><br></div><div>\begin{document}</div><div><br></div><div>\[</div><div>\mathcal{B}_{s}(x) =</div><div>\begin{cases}</div><div>\frac{r \log_{2} \frac{r}{(r + 1)} } {\log_{2} \frac{1}{(r + 1)} } & \text{if $x_{i}^{(2)} = y_{i}^{(2)}$;}\\</div><div>\frac{\log_{2} \frac{1}{(r + 1)} } {r \log_{2} \frac{r}{(r + 1)} } & \text{if $x_{i}^{(2)} \neq y_{i}^{(2)}$.}</div><div>\end{cases}</div><div>\]</div><div><br></div><div>\end{document} </div><div><br></div></font></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "><br></div></div><div>appears as</div><div><span><eq.tiff></span></div><div>How do I make all font sizes the same?</div><div><br></div><div>Here are the files used</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> minimal.cls 2001/05/25 Standard LaTeX minimal class</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> amsmath.sty 2000/07/18 v2.13 AMS math features</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> amstext.sty 2000/06/29 v2.01</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> amsgen.sty 1999/11/30 v2.0</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> amsbsy.sty 1999/11/29 v1.2d</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> amsopn.sty 1999/12/14 v2.01 operator names</div><div><font class="Apple-style-span" face="Monaco" size="2"><br></font></div></div></div><br><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Lucida Grande'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Lucida Grande'; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span" color="#7F0480"><font class="Apple-style-span" face="'Gill Sans'" size="4"><span class="Apple-style-span" style="font-size: 14px; "><i>_____________________________<br>Professor Michael Kubovy<br>University of Virginia<br>Department of Psychology<br>USPS: P.O.Box 400400 Charlottesville, VA 22904-4400<br>Parcels: Room 102 Gilmer Hall<br> McCormick Road Charlottesville, VA 22903<br>Office: B011 +1-434-982-4729<br>Lab: B019 +1-434-982-4751<br>Fax: +1-434-982-4766<br>WWW: <a href="http://www.people.virginia.edu/~mk9y/">http://www.people.virginia.edu/~mk9y/</a><br></i></span></font></font><br></div></span></div></span> </div><br></div>----------- Please Consult the Following Before Posting -----------<br>TeX FAQ: <a href="http://www.tex.ac.uk/faq">http://www.tex.ac.uk/faq</a><br>List Reminders and Etiquette: <a href="http://email.esm.psu.edu/mac-tex/">http://email.esm.psu.edu/mac-tex/</a><br>List Archive: <a href="http://tug.org/pipermail/macostex-archives/">http://tug.org/pipermail/macostex-archives/</a><br>TeX on Mac OS X Website: <a href="http://mactex-wiki.tug.org/">http://mactex-wiki.tug.org/</a><br>List Info: <a href="http://email.esm.psu.edu/mailman/listinfo/macosx-tex">http://email.esm.psu.edu/mailman/listinfo/macosx-tex</a><br><br></blockquote></div><br></body></html>