Home Computer Tutorials Computer Knowledge How to enter positive and negative signs on the computer

How to enter positive and negative signs on the computer

Feb 19, 2024 pm 04:19 PM
Positive and negative sign input computer keyboard input Make a plus or minus sign

How to type the plus and minus signs on the computer

In our daily life and work, we often use the plus and minus signs. Whether in mathematical operations, scientific experiments, financial data analysis, or programming development, it is very important to use positive and negative signs correctly. And how to type positive and negative signs on the computer? Let us find out together below.

In the computer keyboard, there are no special keys for inputting positive and negative signs, so we need to use some special keyboard combinations to achieve this. Here are some common ways to enter positive and negative signs.

Method 1: Use the keyboard numeric keys

In the numeric key area of ​​the keyboard, you can find the two symbols " " and "-", which represent the plus and minus signs. When you need to enter a positive sign, just press the " " key; when you need to enter a negative sign, just press the "-" key. This is the most common and straightforward input method.

Method 2: Use the composite keys of the numeric keyboard

Many desktop computer keyboards will have an independent numeric keyboard area, which contains some special function keys, such as "Num Lock", "/ ” and “*” etc. When the "Num Lock" key is turned on (usually lit), the corresponding number keys on the numeric keyboard can be used for plus and minus sign input.

The specific steps are as follows:

  1. Turn on the "Num Lock" key.
  2. Hold down the "Alt" key and press the "+" key in the numeric keyboard area at the same time to enter a positive sign.
  3. Hold down the "Alt" key and press the "-" key in the numeric keyboard area at the same time to enter a negative sign.

Method 3: Use character encoding to input

In addition to the above two common input methods, you can also use character encoding to enter positive and negative signs. Character encoding is a symbol system used to represent characters in a character set. Each character has a unique encoding. In Windows systems, you can use character encoding to enter special characters.

The specific steps are as follows:

  1. Press and hold the "Alt" key on the keyboard.
  2. Enter specific character encoding on the numeric keyboard.
  3. Release the "Alt" key to enter the corresponding characters.

The character code for inputting a positive sign is "0177", and the character code for inputting a negative sign is "0182". Please note that the character encoding needs to be entered on the numeric keypad and not using the numeric keys above the keyboard.

In addition to the above common methods, there are other input methods in special scenarios. For example, in software such as Microsoft Word, you can choose to enter symbols such as positive and negative signs through the insert symbol function. On Mac computers, there are similar input methods.

In actual use, you can choose a typing method that suits you according to your personal habits and usage scenarios. No matter which method is used, as long as the positive and negative signs can be entered accurately, it can meet our needs.

In summary, there are many ways to type positive and negative signs on a computer, including using numeric keys, compound keys on the numeric keyboard, and character encoding input. Depending on personal habits and usage scenarios, we can choose the input method that suits us. By mastering the correct input method, we can input positive and negative signs on the computer more efficiently, improving work and study efficiency.

The above is the detailed content of How to enter positive and negative signs on the computer. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undress AI Tool

Undress AI Tool

Undress images for free

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

PHP Tutorial
1502
276
Google Translate Picture | Translate Text in Images - MiniTool Google Translate Picture | Translate Text in Images - MiniTool Jul 12, 2025 am 12:57 AM

This Google translate picture guide shows you how to translate text from an image. If you are looking for more computer tips and solutions, you can visit php.cn Software official website where you can also find some useful computer tools like php.cn

what is an operating system what is an operating system Jul 11, 2025 am 03:16 AM

The operating system is the basic software for managing hardware resources, running programs, and providing user interaction interfaces. It coordinates the relationship between hardware and software and is responsible for memory allocation, device scheduling, file management and multitasking. Common systems include Windows (suitable for office and gaming), macOS (Apple devices, suitable for creative work), Linux (open source, suitable for developers), and Android/iOS (mobile device system). The choice of ordinary users depends on the usage scenario, such as software compatibility, security and customization requirements. How to view system information: Use winver command for Windows, click on the machine for macOS, use terminal commands for Linux, and find the phone in settings. The operating system is the underlying tool for daily use,

Best Ways to Fix Windows 11/10 Control Panel Not Opening! Best Ways to Fix Windows 11/10 Control Panel Not Opening! Jul 08, 2025 am 12:01 AM

Have you ever wanted to adjust computer settings to fix some issues but suffered from Control Panel not opening? There is nothing more frustrating than this app not turning on, stopping you from viewing and changing system settings. In this post, mul

What Is Dell Digital Locker? How to Log in and Use It on Dell PC? - MiniTool What Is Dell Digital Locker? How to Log in and Use It on Dell PC? - MiniTool Jul 07, 2025 am 12:28 AM

What is Dell Digital Locker? How to log into Dell Digital Locker? This post from php.cn provides answers. Besides, you can know how to use your Dell Digital Locker to find software products included with your Dell computer.

How to Open Windows 11 Computer Management Console in 7 Ways? - MiniTool How to Open Windows 11 Computer Management Console in 7 Ways? - MiniTool Jul 09, 2025 am 12:18 AM

This essay summarized by php.cn Software mainly teaches you how to open Windows 11 Computer Management with Windows Search, Quick Link menu, Run dialog, command prompt, PowerShell, File Explorer, Control Panel, as well as a desktop shortcut.

How to Use AMD Driver Auto-Detect Tool to Get AMD Drivers How to Use AMD Driver Auto-Detect Tool to Get AMD Drivers Jul 13, 2025 am 12:22 AM

AMD offers an AMD Driver Auto-Detect Tool to help users automatically download and update the drivers of the installed AMD products. Check how to download AMD Driver Auto-detect Tool on Windows 10/11 and how to use it to get the latest AMD drivers. F

What Is Airplane Mode on iPhone? When and How to Use It? - MiniTool What Is Airplane Mode on iPhone? When and How to Use It? - MiniTool Jul 07, 2025 am 12:10 AM

What is Airplane Mode on iPhone? What does Airplane Mode do on iPhone? How to turn it on your iPhone? When to use it? This post from php.cn introduces information about iPhone Airplane Mode.

Troubleshooting Guide: How to Fix VPN Not Working on Chrome Troubleshooting Guide: How to Fix VPN Not Working on Chrome Jul 08, 2025 am 12:33 AM

People usually access restricted websites that are blocked in their region via VPN. But what if you encounter the VPN not working on Chrome? That can really drive you crazy. Fortunately, you can find a couple of useful solutions in this guide. Get st

See all articles