<div>Hi Will</div>
<div> </div>
<div>Thanx for ur swift reply, i have changed my coding as u instructed but there is no change in my output,</div>
<div>I have attached the pdf for ur reference, my coding is</div>
<div>
<p>\documentclass[20pt]{article}<br>\font\tnr="Times New Roman/B" at 20pt<br>\def\mr#1{\mbox{\tnr #1}}</p>
<p>\pagestyle{empty}<br>\begin{document}<br>$$\hat{\mr a}$$<br>\end{document}</p>
<p>thanx in advance</p>
<p>bala</p></div>