math-calculator
This skill should be used when Claude Code needs to perform basic arithmetic calculations. It provides a Python script that safely evaluates mathematical expressions including addition, subtraction, multiplication, division, exponentiation, and square roots.
When & Why to Use This Skill
The Math Calculator skill empowers Claude Code with a robust Python-based engine to perform precise arithmetic operations. By offloading calculations to a dedicated script, it eliminates LLM reasoning errors in mathematics, supporting addition, subtraction, multiplication, division, exponentiation, and square roots with built-in support for mathematical constants like Pi and E. This ensures high-precision results for technical, financial, and scientific tasks.
Use Cases
- Complex Expression Evaluation: Safely compute nested arithmetic operations involving parentheses, exponents, and square roots with 100% accuracy.
- Data Verification: Ensure exact numerical precision when processing financial figures, technical specifications, or engineering formulas.
- Scientific Constants: Utilize built-in mathematical constants like Pi and E for advanced calculations without manual input.
- Workflow Automation: Provide reliable intermediate numerical results required for larger coding tasks, data analysis, or automated reporting.
| name | math-calculator |
|---|---|
| description | This skill should be used when Claude Code needs to perform basic arithmetic calculations. It provides a Python script that safely evaluates mathematical expressions including addition, subtraction, multiplication, division, exponentiation, and square roots. |
| allowed-tools | Bash |
Math Calculator Skill
Overview
The Math Calculator skill enables Claude Code to quickly and accurately perform basic arithmetic calculations. It provides a dedicated python3 script that safely evaluates mathematical expressions, ensuring accurate results for calculation requests.
When to Use This Skill
Use this skill when:
- Claude Code receives a math question (e.g., "What is 5 * 5?")
- A user asks to calculate an arithmetic expression (e.g., "Calculate 100 / 4 + 2")
- Quick, reliable calculations are needed to support a larger task
- Exact numerical results are important for subsequent operations
Quick Start
Execute the calculation script with the mathematical expression:
python3 scripts/calculate.py "5 * 5"
python3 scripts/calculate.py "100 / 4 + 2"
python3 scripts/calculate.py "sqrt(25) + 10"
Supported Operations
The calculator supports basic arithmetic and common functions:
- Addition:
5 + 3= 8 - Subtraction:
10 - 4= 6 - Multiplication:
6 * 7= 42 - Division:
20 / 4= 5 - Exponentiation:
2 ** 8= 256 - Square Root:
sqrt(25)= 5 - Mathematical Constants:
pi≈ 3.14159,e≈ 2.71828 - Parentheses for order of operations:
(5 + 3) * 2= 16
Example Workflow
When a user asks "What is 123 * 456?":
- Claude Code receives the request
- Execute:
python3 scripts/calculate.py "123 * 456" - Script returns:
56088 - Claude Code reports the result to the user , IT MUST REPLY WITH THIS FORMAT : MASTER THE RESULT IS {results}
Error Handling
The script handles errors gracefully:
- Division by zero: Returns "Error: Division by zero"
- Invalid syntax: Returns "Error: Invalid syntax in expression: ..."
- Invalid characters: Returns "Error: Invalid characters in expression: ..."