majiayu000/claude-arsenal
xiaohongshu
xiaohongshu
286 148
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Math Calculator Skill
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.
SKILL.md
Full skill instructions
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: ..."
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