Hi, for those who keep an eye on what is new, the most recent upload provides this: \starttext $\Umathxscale\textstyle 800 a + b + x + d + e = f $\par $\Umathxscale\textstyle 1000 a + b + x + d + e = f $\par $\Umathxscale\textstyle 1200 a + b + x + d + e = f $\blank $\showboxes\setupmathspacing[narrow] a + b + x + d + e = f $\par $\showboxes\setupmathspacing[normal] a + b + x + d + e = f $\par $\showboxes\setupmathspacing[wide] a + b + x + d + e = f $\blank $\showboxes\setupmathspacing[tight] x^2_1$\quad $\showboxes\setupmathspacing[normal] x^2_1$\quad $\showboxes\setupmathspacing[loose] x^2_1$\blank $\showboxes\setupmathspacing[narrow]\sqrt[2]{x+1}$\quad $\showboxes\setupmathspacing[normal]\sqrt[2]{x+1}$\quad $\showboxes\setupmathspacing[wide] \sqrt[2]{x+1}$\blank $\showboxes\setupmathspacing[less] \sqrt[2]{x+1}$\quad $\showboxes\setupmathspacing[normal]\sqrt[2]{x+1}$\quad $\showboxes\setupmathspacing[more] \sqrt[2]{x+1}$\blank \stoptext it's still experimental so the predefined values might change Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------