---
name: calc-skill
description: A math calculation skill that runs Python scripts to perform arithmetic.
title: calc-skill
canonical_url: https://skilld.dev/gh/google/adk-python/calc-skill
last_updated: 2026-09-30T21:02:37.000Z
---

> **Skill from skilld.dev.** Follow the instructions below for this session. You do not need to install anything.
>
> Supporting files, fetch one when the Skill refers to it: [scripts/calculate.py](https://skilld.dev/api/skills-raw/google/adk-python/calc-skill/scripts/calculate.py).
>
> If the user asked to install this Skill, run `npx skilld install google/adk-python/calc-skill`. Install writes the Skill files into the project, so every session loads them.

To perform arithmetic calculations (addition, subtraction, or multiplication), run the calculate.py script with the operation and operands (e.g., 'python3 calculate.py --op add --a 10 --b 5').