---
name: Calculator
slug: calculator
category: Automation
description: Calculator performs basic arithmetic operations like addition, subtraction, multiplication, and division. Use it when you need a quick numeric result from two values.
github: "https://github.com/EXboys/evotown/tree/main/backend/arena_skills/calculator"
language: Python
stars: 663
forks: 63
install: "npx degit https://github.com/EXboys/evotown/tree/main/backend/arena_skills/calculator ~/.claude/skills/calculator"
installs_to: ~/.claude/skills/calculator
source_path: backend/arena_skills/calculator/SKILL.md
collection_size: 8
category_size: 1523
collection_url: "https://dirskills.com/collections/EXboys/evotown"
added: 2026-08-24T05:17:04.981Z
last_synced: 2026-08-24T05:17:04.981Z
canonical_url: "https://dirskills.com/skills/calculator"
---

# Calculator

Calculator performs basic arithmetic operations like addition, subtraction, multiplication, and division. Use it when you need a quick numeric result from two values.

**Install:**

```bash
npx degit https://github.com/EXboys/evotown/tree/main/backend/arena_skills/calculator ~/.claude/skills/calculator
```

## README

# Calculator Skill

A simple calculator that performs basic arithmetic operations.

## Usage

Provide an operation and two numbers to get the result.

### Examples

- Add: `{"operation": "add", "a": 5, "b": 3}` → `8`
- Subtract: `{"operation": "subtract", "a": 10, "b": 4}` → `6`
- Multiply: `{"operation": "multiply", "a": 6, "b": 7}` → `42`
- Divide: `{"operation": "divide", "a": 20, "b": 4}` → `5`