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), and Memory. To enter the menu,

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

The Cash Flow and Statistics menus 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 menu.

Pressing I with this number displayed resets the memory of the dis-

played menu item and erases all entered data. Since entering data in these menus can represent a significant amount of work, you will be asked to con-

firm your choice. At the Del.Data? or Del.CF? prompts, press I to con- firm, or O to cancel.

Storing and Recalling Numbers

To store a number in the display, press :$, followed by the number of the memory in which you wish to store that number, (1-9, or 0). To recall the number later on, press Lfollowed by the memory number. When a memory item is displayed, you can key in a new number and modify the value of the memory by pressing I.

Reverse Polish Notation (RPN) Mode

The following information is a brief overview of how RPN works. In RPN mode, numbers are entered first, separated by pressing I, followed

Getting Started

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HP 30b Professional manual Memory and the Memory Menu, Storing and Recalling Numbers
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30b Professional 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.
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