HP 30b Business Professional Calculator User Manual download pdf (Page 21)

Getting Started 15

order of operation, if you wish to override the left-to-right order of entry.

Keys and Functions

Table 1-3 describes the keys and their functions. Use this table for quick refer-

ence. For a complete list of functions, refer to the HP 30b Business Profes-

sional User’s Guide.

Table 1-3 Keys and Descriptions

Keys Description

Stores or calculates the number of payments or

compounding periods.

Multiplies a value by the number of payments per year

and stores as N.

Stores or calculates the nominal, annual interest rate.

Interest Conversion menu. Used to convert between

Nominal (Nom.%) and Effective (Eff.%) interest rates given

compounding periods per year (C/YR).

Stores or calculates the present value (PV). To a lender or

borrower, PV is the amount of a loan; to an investor, PV is

the initial investment. PV always occurs at the beginning of

the first period.

Sets Begin mode (Beg). Payments occur at the beginning

of each compounding period.

Stores or calculates the amount of each periodic payment.

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HP 30b Business Professional Calculator User Manual Page 21