How to format number in IBYDE_CTX_en.rtf file

Hi,

EBS 12.1.3

I am new to formatting the data for using electronic payments.  There is a requirement where the amount column with 0 value should be displayed with 2 decimal values with leading 0 (zeroes) i.e. 0000000.00 format.  I used the below functions to format the data but only a single 0 is displayed in the file.  However the below function works fine in SQL.

TRIM(TO_CHAR(DiscountTaken/Amount/Value, ‘000000009.99’))

Also is there a guide or some sort of documentation which tells the statements, functions etc that can be used.

Thanks.