Point of exchange of currency

The program is intended for
(a) the introduction of data of transactions with currencies, etc. with products,
b) the archiving of data;
c) the calculation of income etc. Indicators separately by currency and cash,
demonstrating the results to the user.
The program is intended for two users - the administrator and the cashier.
The use of specified courses is permitted.
Manual adjustment of courses is permitted.
All calculations are performed after each operation (not after the closure of the working day).
The search for data in the archive with filtration on currencies, users, transactions, the amount of the currency.
The interface of the program is customized individually for each user.