\( x\xrightarrow{\hspace{1mm}CUBIC\hspace{1mm}} CUBIC(x) = -4x^{3}-10x^{2}+7x-15 \)
WANTED: TheThis is the beginning of the TEXT in the POPUP WINDOW. \[ \begin{align*} x\,large\xrightarrow{\hspace{5mm} AFFINE\hspace{5mm}} AFFINE(x) %&= \left.a \cdot x \oplus b \right|_{x \gets large} &= a \hspace{-0.6mm} \cdot\hspace{-0.6mm} x \hspace{0.6mm}\oplus\hspace{0.6mm} b \\ &= a \hspace{-0.6mm} \cdot\hspace{-0.6mm} x^{+1}+[...] \end{align*} \] The dialog window can be moved, resized and closed with the 'x' icon.