What is num lock?

Num lock, short for number lock, is a toggle key commonly found on computer keyboards. When num lock is activated, the numerical keypad on the keyboard is enabled, allowing users to input numbers using the keypad. When num lock is deactivated, the keypad functions as arrow keys instead.

Num lock is particularly useful for tasks that require numerical input, such as data entry, spreadsheet work, and calculations. It is usually located on the right side of the keyboard, near the keypad.

Some keyboards have a dedicated num lock key, while others require the user to press a key combination (such as Fn + Num Lock) to activate or deactivate num lock.

Overall, num lock is a helpful feature on keyboards that provides users with easy access to a dedicated numerical keypad for faster and more efficient number input.