![](https://secure.gravatar.com/avatar/49e63acb01f2ca80efce7eed08310ce8.jpg?s=120&d=mm&r=g)
On 7/25/2016 10:36 AM, Fabrice Couvreur wrote:
Hello, My way is not very elegant but I would do this:
Formula arrow text Formula arrow text Formula arrow text Formula
######################################################### \startuseMPgraphic{MyArrow} path p ; p:=(0,0){right}..(0.5cm,-0.6cm)..(0,-1.2cm){left} ; drawarrow p withpen pencircle scaled 1.5bp withcolor 0.625white ; \stopuseMPgraphic
\starttext
\showgrid
\math{A\times X=B}
\hfill On multiplie, à gauche, les deux membres de l'égalité par \math{A^{-1}}.
\hskip 5cm \relax \dontleavehmode\useMPgraphic{MyArrow}
\math{A^{-1}\times A\times X=A^{-1}\times B}
\hfill On utilise l'égalité \math{A^{-1}\times A=I}.
\hskip 5cm \relax \dontleavehmode \useMPgraphic{MyArrow}
\math{I\times X=A^{-1}\times B}
\hfill On utilise l'égalité \math{X\times I=I\times X=X}.
\hskip 5cm \relax \dontleavehmode \useMPgraphic{MyArrow}
On a donc \math{X=A^{-1}\times B}
\stoptext #########################################################
\usemodule[steps] \starttext \startSTEPtable \cell{\math{A\times X=B}} \text{some text} \cell{\math{A^{-1}\times A\times X=A^{-1}\times B}} \text{some text} \cell{\math{I\times X=A^{-1}\times B} } \stopSTEPtable \stoptext see manual -- ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------