record simple transaction in general journal
    05/15 cash                    160.00
            checking                     160.00
    05/15 cash                    160.00
            credit cards payable         160.00






record compound transaction in general journal
    05/15 checking                100.00
          prepaid medical          20.00
          income taxes             80.00
            work revenue                 200.00


examine all the transactions in general journal
for an arbitrary period









examine an account as of an arbitrary date






examine all the transactions in general journal
for the current period









examine an account as of the end of last period






close the general journal for the month










close the general journal for the year






produce a balance sheet as of the end of the
most recent period










produce an income statement for the current
period




produce a balance sheet as of the end of the
any given period










produce an income statement for any given
period




create new account within an existing set
of books










initialize a set of books from a text file
containing the name, number, and initial
balance of each account



record transactions in specialty journals:
cash disbursements journal, work revenue
journal, etc.








close the specialty journals for the month






close the specialty journals for the year










make system persistent, with data stored
in flat files





import data from data file provided by bank (.qks, .xls, ...)