SQL> SQL> set serveroutput on SQL> set echo on SQL> SQL> SQL> DECLARE 2 v_Convert_Number NUMBER := 90210; 3 v_Hold_Char VARCHAR2(21) ; 4 BEGIN 5 v_Hold_Char := TO_CHAR(v_Convert_Number,'9.99EEEE'); 6 DBMS_OUTPUT.PUT_LINE('The Scientific Notation is: ' || v_Hold_Char); 7 END; 8 / The Scientific Notation is: 9.02E+04 PL/SQL procedure successfully completed. SQL> SQL>