# decimal point key

> computer key, part of numeric keypad

**Wikidata**: [Q27885076](https://www.wikidata.org/wiki/Q27885076)  
**Source**: https://4ort.xyz/entity/decimal-point-key

## Summary
The decimal point key is a physical button found on a computer keyboard. It is classified as a computer key and is specifically located as a component of the numeric keypad section.

## Key Facts
*   **Classification:** Instance of a "computer key" (physical button on a keyboard).
*   **Location:** A component part of the "numeric keypad."
*   **Alias:** Represented by the symbol `.`.
*   **Parent Category:** Belongs to the class of hardware known as computer keys.
*   **Context:** The numeric keypad (its parent component) has a sitelink count of 21 in the source database.

## FAQs
### Q: What is the decimal point key?
A: The decimal point key is a physical button on a computer keyboard used to input a period or dot. It is formally classified as a type of computer key.

### Q: Where is the decimal point key located?
A: It is located on the numeric keypad, which is a specific section of a computer keyboard.

### Q: What is the symbol on the decimal point key?
A: The key utilizes the alias or symbol `.` (a dot).

## Why It Matters
The decimal point key is a critical component of the numeric keypad, facilitating the entry of fractional numbers and financial data. While general keyboards feature a period key near the letters, the specific designation of this entity refers to the key within the numeric cluster. This placement allows for rapid data entry in accounting and mathematical software, as users can keep one hand on the numeric block. Its existence as a distinct "computer key" within the "numeric keypad" hierarchy highlights the modular design of modern keyboards, where specific functional zones are isolated for efficiency.

## Notable For
*   **Distinct Hierarchy:** Specifically classified as a "computer key" rather than a general symbol.
*   **Component Status:** Defined primarily by its relationship to the "numeric keypad" hardware section.
*   **Identity:** Distinct from the standard typewriter period key due to its specific location on the keypad.

## Body
### Classification and Definition
The decimal point key is defined in the knowledge base as a physical button on a computer keyboard. It falls under the class of "computer key."

### Structural Context
The key is a sub-component of the **numeric keypad**. The numeric keypad is the section of a computer keyboard containing numbers and mathematical operators. In the provided data structure, the relationship is defined as:
*   **Entity:** Decimal point key
*   **Part of:** Numeric keypad
*   **Instance of:** Computer key

### Data Representation
According to structured properties, the key is associated with the alias `.`. The parent entity, the numeric keypad, is a well-established class with a sitelink count of 21, indicating its recognized status in computer hardware taxonomy.