where is the fraction button?
\(Give\ [LaTeX] \)
\( Delete\) x = {-b \pm \sqrt{b^2-4ac} \over 2a}
\(operate \ [\ \underline{Math}\ ]\)
\(operate \ [\ \Box/\Box\ ]\)
\(Give \ numerator \ and \ denominator \ in\) \\(frac\) {1}{3}
\(Give \ OK\)
\(\frac{1}{3}\)
!
