NeoCal contains ten registers used specifically for the financial applications:
is used for cost
is used for price
and are used for margin and markup
is used for the number of periods or payments per year
is used for the total number of periods or payments
and are used for the annual nominal interest rate
is used for present value
is used for the periodic payment
is used for future value
is used for the annual effective rate
Just like the user registers, these registers are accessed using the and buttons. However, the financial registers perform a calculation when their button is pressed without being preceded by or . As a convenience, pressing one of these buttons while entering a number will cause any pending operation to be performed and then store that number in the register.
For example,
Pressing will store the displayed number in the future value register.
Pressing will display the value stored in the price register.
Pressing will store 7.5% in the annual interest rate register.
Pressing will store 60 in the N register.
Pressing will calculate, store, and display the present value.
The financial registers and any user registers currently holding a cash flow entry are cleared by pressing the button. As a reminder, the value of the register is displayed.