The choices on the Define submenu, in addition to New Definition, include Undefine, Show Definitions, Clear Definitions, Save Definitions, Restore Definitions, and Define Maple Name. The two choices New Definition and Show Definitions also appear on the Compute toolbar as itbpF0.3009in0.3009in0.0701innewdef.wmf and itbpF0.3009in0.2914in0.0701inshowdef.wmf.