interest rate is displayed on the bottom line. With this screen displayed, press 12Ito input a new value for the nominal rate. Press <followed by

=to calculate the value for the effective rate. See Figure 4.

Figure 4

When an item for which the =key is valid displays, the small annunciator (=) is displayed on the top line at the right of the screen. Do not confuse this small annunciator (=) with the larger annunciator (=) found to the right of a variable.

When an item for which the Ikey is valid displays, the INPUT annunciator is displayed on the top line at the right of the screen.

Editing and Clearing Entries

The On/CE Key

Pressing Oone time cancels current number entries, mathematical operations, or a menu selection, in that order.

Pressing Orepeatedly when performing multiple operations cancels one operation at a time, from the latest to the earliest.

The Reset Menu

The Reset menu allows you to reset some, or all, of the menu items, variables, and registers to their default values.

To open the Reset menu, press :x. TVM displays on the top line. Press <or > repeatedly to scroll to a specific item. To validate a choice and reset the selected items, press

I. Press Oto cancel. If you select the command to reset the cash flow (Cash Flow), statistics (Stats ), programs (Prgm)* or all values (All ) items, you will be prompted to confirm

your choice. At the Del. All?, Del. Data?, Del. Prgm?*, and Del. CF? prompts, press I again to confirm the reset, or Oto cancel. While working within a specific menu, pressing

:xtakes you directly to the item of the Reset menu that allows you to reset that specific menu. For example, if you are working in the Bond menu and you wish to reset all your entries

in the Bond menu, with any item of the Bond menu displayed, press :x. Bond displays

on screen. At this prompt, pressing Iresets the Bond menu and returns you to the last item you were working with in the Bond menu.

* Only applies to the HP 30b.

Basic Features

7

Page 15
Image 15
HP 30b Professional, 20b Consultant Financial manual Editing and Clearing Entries On/CE Key, Reset Menu

30b Professional, 20b Consultant Financial specifications

The HP 30b Professional calculator is a versatile tool designed specifically for business professionals, engineers, and educators. This reliable calculator merges advanced technologies with user-friendly features, enabling users to perform complex calculations with ease. The HP 30b is appreciated for its robust design and functionality, making it a top choice among those who require a dependable calculating device for various applications.

One of the standout features of the HP 30b is its capability to handle both RPN (Reverse Polish Notation) and algebraic entry modes. This flexibility allows users to choose the input method that best suits their preferences, enhancing productivity and minimizing calculation errors. The calculator also boasts a large, high-resolution display that ensures clarity when navigating through calculations and results.

The HP 30b comes equipped with essential business functions that include financial calculations, cash flow analysis, and statistical functions, all of which are invaluable in professional settings. Users can seamlessly compute interest rates, perform amortization schedules, and evaluate loan payments, making it an indispensable asset for finance-oriented individuals.

Another key characteristic is its programmable functionality. The HP 30b allows users to create custom programs tailored to specific tasks, which can save time and reduce manual entry errors. This programmable capability is especially beneficial for repetitive calculations, providing a significant efficiency boost in ambiguous or multi-step operations.

The durable construction of the HP 30b ensures longevity while the compact design makes it portable and convenient for on-the-go calculations. Additionally, the calculator features an energy-efficient design, which includes a long-lasting battery life, reducing the need for frequent replacements.

With a straightforward key layout and intuitive interface, the HP 30b is designed with user experience in mind. Whether in a classroom, office, or fieldwork scenario, users can easily navigate functions and access the features they need quickly. The HP 30b Professional calculator is truly an impressive blend of technology and practicality, making it an essential tool for anyone needing reliable performance in their daily calculations.