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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Tug<o:p></o:p></p><p class=MsoNormal>Using amsbook and packages: txfonts, times and mathptmx, when I call for a Greek letter like \alpha in mathmode, I get a character which is considerably larger (about 107%) than the companion Arabic characters.<o:p></o:p></p><p class=MsoNormal>I only need four of five characters: alpha, beta, theta, phi, lambda, so I tried the trick below which works for reducing the minus sign - but it fails for the letters.<o:p></o:p></p><p class=MsoNormal>Well it does seem to work in that in gains the reduction, but produces all sorts of errors.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>\newcommand{\minus}{\scalebox{0.75}[1.0]{$-$}} works OK<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>\newcommand{\myalpha}{\scalebox{0.94}[0.94]{$\alpha$}} does reduce, but causes errors.<o:p></o:p></p><p class=MsoNormal>Any ideas, please?<o:p></o:p></p><p class=MsoNormal>Keith<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>