HP 35s Scientific Calculator Quick Start Guide

About this manual

This guide provides basic operation instructions for the HP 35s scientific calculator, including turning it on and off, adjusting contrast, using keys, menus, and modes. It covers memory, built-in functions, physical constants, fractions, complex numbers, vectors, statistics, equations, and programming. The guide is intended as a supplement to the full user manual. This manual is written in Chinese.

What's inside

• Opening and Closing the Calculator
• Adjusting Display Contrast
• Keyboard
• Alphabet Keys
• Cursor Keys
• Backspace and Clear
• Undo Key
• Using Menus
• Exiting Menus
• Controlling Display Format

Frequently asked questions

What key turns on the HP 35s calculator?

Press and release the † key to turn on the calculator.

How do you adjust the display contrast on the HP 35s?

Hold the Škey and repeatedly press ٠or à to adjust contrast.

What is the purpose of the撤销键 on the HP 35s?

The 撤消键 restores deleted entries, equations, or program lines immediately after deletion.

How many menu keys are available on the HP 35s?

There are 16 menu keys available to access more functions.