how to type sqrt in obsidian

Lussy04

2 min read

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24-01-2025

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Obsidian, a popular knowledge management and note-taking application, doesn't have a dedicated button for typing the square root symbol (√). However, there are several easy ways to insert this mathematical symbol into your Obsidian notes. This guide will walk you through the most straightforward methods.

Method 1: Using the MathJax Plugin

The most reliable and versatile method involves using the MathJax plugin. This plugin renders LaTeX, a powerful typesetting system widely used in mathematics and scientific writing. This means you get beautifully formatted equations and symbols, far beyond just the square root.

1. Install the MathJax Plugin:

• Open Obsidian's settings (usually by clicking the three dots in the bottom left corner).
• Navigate to "Community plugins".
• Search for "MathJax" and install the plugin.
• Enable the plugin after it's finished installing. You might need to restart Obsidian.

2. Typing the Square Root:

Once the plugin is enabled, you can use LaTeX code within your notes to insert the square root symbol. Enclose your LaTeX code within backticks and dollar signs: $...$ for inline mode or $...$ for a display equation.

For a square root, use the \sqrt{} command. Place the number you want to find the square root of inside the curly braces.

• Inline square root: $\sqrt{25}$ will render as √25.
• Display square root (larger): $\sqrt{16}$ will render as √16.

3. More Complex Equations: MathJax allows you to create far more complex mathematical expressions. For example, to create a cube root, use \sqrt[3]{8} which renders as ³√8.

Method 2: Copy and Paste

The simplest method, though less elegant for complex equations, is to simply copy the √ symbol from another source and paste it into your Obsidian note. You can find the symbol in:

• Character Map (Windows): Search for "Character Map" in the Windows search bar. Find the square root symbol and copy it.
• Online Character Map: Numerous websites provide character maps. Search for "square root symbol Unicode" to find one.
• Other applications: Copy from a word processor like Microsoft Word or Google Docs.

This method is quick for single instances of the symbol but isn't ideal if you need to use it frequently or for more complex mathematical expressions.

Method 3: Using a Keyboard Shortcut (potentially OS-specific)

Some keyboards and operating systems might have a shortcut for inserting special characters, including the square root symbol. This is usually done by pressing and holding the Alt key (or Option key on Mac) while typing a specific number sequence. However, this is highly dependent on your keyboard layout and OS. Consult your keyboard documentation or online resources for your specific keyboard and operating system.

Choosing the Best Method

For occasional use of the square root symbol, copying and pasting is sufficient. However, if you frequently use mathematical notation or plan on creating more complex equations, using the MathJax plugin is strongly recommended. It provides a robust and flexible solution for all your mathematical typesetting needs within Obsidian. It's the best long-term solution for a better user experience. The added bonus is that it allows for a much wider range of mathematical symbols and formatting options.