\input{preamble-standalone.ltx} \begin{document} % Ex. No. 17 (Section 6.1 : Ajouter un label) \begin{tikzpicture} \tkzInit[xmin=0,xmax=10, ymin=0,ymax=1.2,ystep=0.2] \tkzGrid \tkzAxeXY \tkzClip \tkzFct[thick,color=red,domain=0.55:10]{(\x*\x+\x-1)/(\x**3)} \tkzText(3,-0.3){\textbf{Courbe de} $\mathbf{f}$} \tkzDefPointByFct(3) \tkzText[above right,text=red](tkzPointResult){${\mathcal{C}}_f$} \end{tikzpicture} \end{document}