Notes about Special Menus

The Mode, Memory, Math and Reset menus are unique menus; they allow you to work in another menu simultaneously without having to exit. For example, if you were working in the

Bond menu prior to entering one of these menus, pressing Oto exit returns you to your previous work in the Bond menu.

Memory and the Memory Menu

The Memory menu contains the following items: memories 1–9 (Mem 1–9) and 0 (Mem 0), Cash Flow, Statistics (Stats), programs (Prgm)*, and Memory. To enter the menu, press

:t. Press <or >repeatedly to scroll through the items starting with memory 1 (Mem 1).

When a memory item is displayed, you can key in a new number and modify the value of the memory by pressing I.

For more information about storing and recalling numbers, refer to the section titled, Storing and Recalling Numbers in Chapter 2.

The Cash Flow and Statistics data share the same memory and are limited to a combined total of 50 memory slots. The number displayed with Memory refers to the number of remaining memory slots. When the cash flow or statistics items are displayed, a number also appears on the bottom line. This number indicates the number of memory slots used by the cash flow or statistical data.

290 bytes are available for programs. The Prgm* menu item displays the number of bytes used.

Press Ion the Cash Flow, Statistic, or Prgm* menu item to erase the associated data.

Since entering data in these menus can represent a significant amount of work, you will be asked to confirm your choice. At the Del.Data?, Del. Prgm?*, or Del.CF? prompts, press

Ito confirm, or Oto cancel.

Accessing Menus and Menu Maps

Many of the calculator's functions are located within menus. To access a menu, press the key, or secondary-function, key combination for the menu in which you wish to work. To exit a

menu, press O.

For example, to access the Break-even menu, press :.

* Only applies to the HP 30b.

8 Basic Features

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HP 20b Consultant Financial, 30b Professional manual Memory and the Memory Menu, Accessing Menus and Menu Maps

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.