... delete, unfortunately when I push the delete button nothing is happening, except to de-select it. Is this my fault or a flaw?38_150941_220000000.png Cheers Phil PS. The promised metric calculator menu in options appears to have failed, I refer to message message ref: 12057 Last edited on 15 Jul 2012 15:15 by Phil O posted: 15 Jul 2012 18:11 from: Martin Wynne Hi Phil, Have you inadvertently ticked the no delete option? Select the item and then click the modify item tab: 2_151300_370000000.png I'm not sure what you mean by the calculator menu item having failed? I can see the calculator in your screenshot. The menu item is at options> metric/scale calculator (CTRL+ L). Does the delete work if you close the calculator first? regards, Martin. posted: 15 Jul 2012 19:25 from: Phil O Hi Martin I must have inadvertently ticked the box although I can't remember doing it. As for the calculator I got it up as per the instructions which you gave me ...