Need help?Do you have a question about the HP HP-25 and is the answer not in the manual?
General| Brand | HP |
|---|---|
| Model | HP-25 |
| Category | Calculator |
| Language | English |
Details the calculator's keyboard, including primary, blue, and gold functions and prefix keys.
Explains how to key in numbers, decimals, and negative values using the calculator.
Introduces calculator functions, emphasizing immediate execution upon key press.
Describes performing sequential calculations using the automatic memory stack for intermediate results.
Explains how to set the number of decimal places for fixed point notation.
Covers displaying numbers in scientific notation with mantissa and exponent.
Details displaying numbers with exponents as multiples of three for engineering applications.
Explains automatic switching between fixed and scientific notation based on number magnitude.
Introduces the X, Y, Z, T registers and their role in storing intermediate results.
Describes reviewing and shifting stack contents using specific keys like R↓ and X<>Y.
Explains how the stack automatically manages intermediate results during sequential calculations.
Explains the LAST X register for preserving the previous X-register value.
Details the eight addressable storage registers for storing constants and data.
Covers trigonometric and logarithmic functions, including their modes and inverse operations.
Explains statistical functions like summation, mean, and standard deviation.
Defines what a program is and its benefits for repetitive calculations.
Describes Manual RUN, PRGM, and Automatic RUN modes for program execution.
Guides through creating, recording, and executing simple programs.
Explains how to find and correct errors or change instructions within a recorded program.
Lists standard accessories included with the HP-25 and optional items.
Details operating the calculator via AC adapter and battery power.
Provides instructions for replacing the battery pack and troubleshooting.
Covers service procedures for display issues, low power, and blank displays.
To Next Page
