Hi Fabrice, Have you tried \vec command ? \startformula \vec{AB} = \vec{AC} + \vec{CB} \stopformula Best regards Joseph From: Fabrice Couvreur Sent: ‎Saturday‎, ‎June‎ ‎4‎, ‎2016 ‎9‎:‎12‎ ‎AM To: ntg-context@ntg.nl Hello everyone, When I used LaTeX, I was writing the vectors with esvect package. Is there an equivalent with Context ? Fabrice https://www.ctan.org/tex-archive/macros/latex/contrib/esvect/