--- jkqtmathtext_cbrt.png $\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+\cbrt{1+x}}}}}\ \ \ \ \ \sqrt[3.1415]{x^2+\pi y^2}$ --- jkqtmathtext_sqrt.png $\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+x}}}}}$ --- jkqtmathtext_supersub.png $r^{123}r^\frac{1}{2}\ \ \ \ \ r_{123}r_\frac{1}{2}\ \ \ \ \ a_\text{text}^2a_\text{text}^\frac{1}{2}a^\text{text}_\frac{1}{2}$ --- jkqtmathtext_specialsubsuper.png $\lim\limits_{x\rightarrow\infty}\sum\limits_{n=1}^\infty\prod\limits_{n=1}^\infty\bigvee\limits_{n=1}^\infty\bigcup\limits_{n=1}^\infty$ --- jkqtmathtext_doc_quadraticeq.png $x_{1/2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$ --- jkqtmathtext_doc_quadraticeq_boxes.png --showboxes $x_{1/2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$ --- jkqtmathtext_lsubstack.png {\backslash}lsubstack: $\sum\limits_\lsubstack{0\leq i\leq10\\-5\leq j\leq1000}f_{i,j}$ --- jkqtmathtext_rsubstack.png {\backslash}rsubstack: $\sum\limits_\rsubstack{0\leq i\leq10\\-5\leq j\leq1000}f_{i,j}$ --- jkqtmathtext_substack.png {\backslash}substack: $\sum\limits_\substack{0\leq i\leq10\\-5\leq j\leq1000}f_{i,j}$ --- jkqtmathtext_mathmode_and_textmode.png \begin{array}text: & abc123+d/e\\ math: & $abc123+d/e$\end{array} --- jkqtmathtext_mathoperator_width_factor.png --showboxes \begin{array}Math: $a=b$ & text: a=b\\\textcolor{blue}{extra space}&\textcolor{blue}{normal spacing}\end{array}