Customizing the Calculator

The top line of the screen displays operation status, operator symbols, annunciators, and abbreviations of the registers, variables, and menu names. This line is referred to as the top line. In Figure 2, SIN is on the top line. Note the RPN annunciator to the right of the display, indicating that the calculator’s operating mode is RPN. The bottom line displays numbers you have entered, or results. This line is referred to as the bottom line.

Table 1-1 lists the functions available for customizing the calculator in the Mode menu, including setting the default language for messages displayed

on screen. To open the Mode menu, press :u. Use the arrow keys,

<and >, to navigate through the menu. To view the available options in a menu and change a setting, press Iwith an item displayed. The displayed setting is the active setting. To exit the menu, press O.

Table 1-1 Customizing the Calculator

	Display/	Description
	Function

	Turn the	To turn the calculator on, press O. To turn it off, press
	calculator on/	To turn the calculator on, press O. To turn it off, press
	calculator on/	:O. The calculator automatically turns off after
	off	:O. The calculator automatically turns off after
		approximately five minutes if not in use.

Display contrast To adjust the display contrast, press and hold Owhile simultaneously pressing either +or -. Each press of the +or -key increases or decreases the contrast of the display, respectively.

4 Getting Started

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.

HP 30b Professional manual Customizing the Calculator

Models: 30b Professional