<page_title> Keystroke-level model </page_title> <section_title> Structure of the keystroke-level model </section_title> <table> <cell> M <col_header> operator </col_header> </cell> <cell> 1.35 <col_header> time (sec) </col_header> </cell> </table>
M is 1.35 seconds as stated in the KLM.