https://community.hpe.com/t5/operating-system-microsoft/num-error-bad-argument-type/m-p/4120351#M8592 When I try to take the cube root of 3 + 4i I get a numerical error when I hit the NUM key. Why? Also, when I take the cube root of -5 I obtain a + bi notation, but when I take the ninth root I obtain exponential notation. Why don't I get consistent notation? Finally, taking the cube root of -5 and taking it again results in "Num Error: Bad Argument Type," yet taking the ninth root of -5 results in a proper numerical evaluation. Sat, 22 Dec 2007 19:13:05 GMT Joseph Colannino 2007-12-22T19:13:05Z https://community.hpe.com/t5/operating-system-microsoft/num-error-bad-argument-type/m-p/4120351#M8592 When I try to take the cube root of 3 + 4i I get a numerical error when I hit the NUM key. Why? Also, when I take the cube root of -5 I obtain a + bi notation, but when I take the ninth root I obtain exponential notation. Why don't I get consistent notation? Finally, taking the cube root of -5 and taking it again results in "Num Error: Bad Argument Type," yet taking the ninth root of -5 results in a proper numerical evaluation. Sat, 22 Dec 2007 19:13:05 GMT https://community.hpe.com/t5/operating-system-microsoft/num-error-bad-argument-type/m-p/4120351#M8592 Joseph Colannino 2007-12-22T19:13:05Z