# RPN Calculator

> Use this tool when you need to evaluate mathematical expressions using Reverse Polish Notation, solving problems with complex arithmetic operations and stack manipulation. It takes in mathematical expressions as input and outputs the calculated result, supporting basic arithmetic, power, and modulo operations. Ideal for use cases requiring efficient and precise calculation of complex expressions in a stack-based computation context.

Canonical page: https://skillsregistry.net/skills/gh-daedalus-rpn-calculator  
JSON: https://api.skillsregistry.net/v1/skills/gh-daedalus-rpn-calculator

## Description

Calculator implementation using Reverse Polish Notation for mathematical expressions. Supports basic arithmetic, power and modulo operations, and stack manipulation commands (clear, duplicate, swap). Evaluates expressions token by token using stack-based computation.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/gh-daedalus-rpn-calculator)
- **Repository:** <https://github.com/daedalus/mcp-rpn>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "gh-daedalus-rpn-calculator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/gh-daedalus-rpn-calculator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/gh-daedalus-rpn-calculator/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt