Beware the number and placement of brackets! Important!
str_cpy((panelname.pstring)[linenumber],""); //clear existing content.(even first time)
str_cat_num((panelname.pstring)[linenumber], "%.3f", thenumber); //display number to 3 decimal places.

NOTE: not sure if this is c-script friendly or not. I live lite-c and my WDL is shoddy smile

"There is no fate but what WE make." - CEO Cyberdyne Systems Corp.
A8.30.5 Commercial