calculator

Perform addition, subtraction, multiplication, and division on two numerical inputs.

7|4|Updated Jan 17, 2026
One-click install
npx skills add https://github.com/stigmer/stigmer --skill calculator-stigmer
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: calculator
Source: https://github.com/stigmer/stigmer/tree/main/examples/skills/calculator
Command: npx skills add https://github.com/stigmer/stigmer --skill calculator-stigmer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill automates basic arithmetic calculations, removing the need for manual computation or external calculators for simple math tasks.

Core Features & Use Cases

  • Arithmetic Operations: Supports addition, subtraction, multiplication, and division.
  • Input Handling: Accepts integer and decimal numbers.
  • Error Handling: Manages division by zero and unknown operations.
  • Use Case: Quickly calculate the total cost of items, determine discounts, or perform simple financial projections.

Quick Start

Use the calculator skill to add the numbers 15 and 30.

Frequently Asked Questions about calculator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform basic arithmetic operations on two numbers?

Basic arithmetic operations like addition, subtraction, multiplication, and division are performed by providing two numerical inputs. The Skill processes integer and decimal values to return a calculated mathematical result.

Can I use decimal numbers for arithmetic calculations?

Yes, arithmetic calculations accept both integer and decimal numbers as valid inputs. You can provide two decimal values to perform operations and receive precise mathematical results without manual computation.

What happens if I attempt division by zero in my math operations?

Division by zero triggers built-in error checking to prevent calculation failures. The Skill detects invalid operations like dividing by zero and returns an error instead of an incorrect mathematical result.

How do I automate simple math tasks like calculating costs?

Automate simple math tasks by passing two numerical values and specifying an operation such as addition or multiplication. This removes the need for manual computation when calculating costs, discounts, or financial projections.

Does this arithmetic calculator handle unknown operations?

The arithmetic calculator includes built-in error handling for unknown operations. If an unsupported mathematical operation is submitted, the Skill catches the error and prevents invalid processing.