\input{preamble-standalone.ltx} \begin{document} % Ex. No. 23 (Section 4.1.2 : Calculations with \tkzNamePack{xfp}) \begin{tikzpicture}[scale=1] \tkzInit[xmax=4,ymax=4] \tkzGrid \tkzDefPoint(-1+2,sqrt(4)){O} \tkzDefPoint({3*ln(exp(1))},{exp(1)}){A} \tkzDefPoint({4*sin(pi/6)},{4*cos(pi/6)}){B} \tkzDrawPoints[color=blue](O,B,A) \end{tikzpicture} \end{document}