Understanding Alt Codes

The Alt code for the lowercase mu (µ) is Alt+230.

This symbol, often referred to as 'mu' lowercase or 'micro', is commonly used in various fields such as science, engineering, and medicine to denote the 'micro' prefix, representing one millionth (10⁻⁶) of a unit.

Alt codes are a series of numbers that, when pressed on the numeric keypad while holding down the Alt key, produce special characters, symbols, or letters not readily available on a standard keyboard. These codes are particularly useful for typing mathematical symbols, foreign currency symbols, or other unique characters.

How to Type the Lowercase Mu (µ) Using Alt Code

To type the lowercase mu (µ) on a Windows computer using its Alt code, follow these simple steps:

1. Activate Num Lock: Ensure your numeric keypad (typically on the right side of your keyboard) has "Num Lock" enabled.
2. Hold Alt Key: Press and hold down the Alt key on your keyboard.
3. Enter Code: While holding the Alt key, type 230 using the numeric keypad.
4. Release Alt Key: Release the Alt key. The 'µ' symbol should appear.

Note: This method typically works on Windows operating systems. Mac users utilize a different set of key combinations, often involving the Option key.

Reference Information for Common Symbols and Alt Codes

The Alt code for the lowercase mu, along with other common symbols, is documented in various keyboard shortcut resources. As per the reference from posterpresentations.com, the details are as follows:

This table highlights that the 'µ' symbol is explicitly linked to "Alt+230" and is described as "Micro," which is its primary usage and connection to the lowercase Greek letter mu.