Documentos e cálculo de juros

How to create recurring document template? 

How to run recurring document and what date should normally put to run it and what are the steps for Interest Calculations?
 
For Recurring document template you can use the following T.Codes:

FBD1 - Creation of recurring document
FBD2 - Change recurring document (This is for changing of amount and recurring periods)
FBD3 - Display recurring document
F.14 - Posting of recurring document
F.15 - Display of recurring document 

For Diff. run schedule recurring documents you can use this T.Codes:

OBC1 - Creation of Diff. Run schedule Recurring document
OBC2 - Enter run dates for Recurring document
F.14 & F.15 - steps are same 

Steps For Interest Calculation you can use this following T.Codes: 

OB59 - Define valuation method
OBA1 - Preapare automatinc postings for foreign currency valuation
FS00 - Assign exchange rate different key in loan a/c
F.05 - Foreign currencty revaluation
OBAA - Prepare account balance interest calculation
OBAc - Define reference interest rate
OB81 - Define time dependent terms
OB83 - Enter interest value
OBV2 - Assignmen of accounts for automatic
F.52 - Interest calculation

by Allan Eduardo Favaron 

SAP FI Consultant