Try 10/(2<pi>) 10/2<pi> is the same as multiplying 5 by Pi PK Jrsand0427 <jrsand0427@aol.com> wrote in message 19990225203424.11210.00000256@ng-ft1.aol.com">news:19990225203424.11210.00000256@ng-ft1.aol.com... >on my ti-83, something is wrong when i try to divide by 2<pi>. example: >10/2<pi>=15.70796327.what my calc is doing is multiplying 10x1.570796327. >could someone please help me on this. > >john