Overview
The tilde (~) key is a lesser-known but useful key found on most computer keyboards. It has several applications in computing, including programming, mathematical operations, and as an accent mark in various languages.
Where is the Tilde Key on the Keyboard?
On most QWERTY keyboards, the tilde (~) key is located in the top-left corner, directly below the Escape (Esc) key and above the Tab key.
The tilde shares a key with the backtick (`) symbol, and you need to use the Shift key to type the tilde.
How to Create the Tilde (~) Symbol on Different Devices
On Windows and Mac Keyboards
Windows: Hold down Shift and press the key (below Esc) to type~`.
Mac: Press Option + N, then press Spacebar to get a standalone tilde (~). If using it as an accent (e.g., ñ), press N instead of Spacebar.
On Smartphones and Tablets (Android & iPhone)
The tilde symbol is accessible through the on-screen keyboard on Android and iOS:
Android (Gboard & SwiftKey)
Tap ?123 to open the numbers and symbols keyboard.
Tap = or {&= depending on your keyboard version.
Find and tap the ~ symbol.
iPhone/iPad (iOS)
Tap 123 to open the numeric keyboard.
Tap #+= to access more symbols.
Locate and tap ~.
On some keyboards, you can also long-press the N key to see options like ñ (used in Spanish words like "Señor").
Uses of the Tilde (~) in Computing
The tilde has multiple applications in different computing contexts:
Mathematics & Approximation: It is often used to indicate approximation, such as π ~ 3.14.
Programming & Command Lines:
In Unix-based systems (Linux/Mac), ~ represents the home directory (e.g., cd ~ takes you to /home/username/).
In JavaScript and Python, ~ is used in bitwise operations.
URL Shortcuts: Some websites use ~username as a shorthand for personal web pages (e.g., www.example.com/~john).
Text Formatting: In Markdown and other markup languages, ~~text~~ creates strikethrough text.
What is the Other Symbol on the Tilde Key?
The backtick (`) is the other symbol found on the tilde key. The backtick is commonly used in:
Markdown formatting (to insert inline code: print("Hello")).
Programming (JavaScript and Shell scripting).
Typing special characters (e.g., à by using + a).
Conclusion
The tilde key (~) is small but powerful, used in various applications across computing and writing. Whether you're typing on a physical keyboard or a smartphone, knowing how to use it can make your work easier.
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