---
title: All Calculators — Set Calculator
description: Catalog of free set theory and list calculators on setcalculators.com.
---

# All calculators

Free browser-based tools for set theory and list operations on
[setcalculators.com](https://setcalculators.com/). No account required; computation runs in the browser.

## Tools

| Calculator | URL | Description |
| --- | --- | --- |
| Set Operations | [/](https://setcalculators.com/) | Union, intersection, and difference of two sets |
| Cartesian Product | [/cartesian-product.html](https://setcalculators.com/cartesian-product.html) | All ordered pairs A × B |
| List Unique | [/list-unique.html](https://setcalculators.com/list-unique.html) | Remove duplicates, keep first-seen order |
| Sort & Reverse | [/list-sort.html](https://setcalculators.com/list-sort.html) | Sort A–Z / Z–A or reverse order |

## Markdown equivalents

| Page | Markdown |
| --- | --- |
| Set Operations | `/index.md` |
| Cartesian Product | `/cartesian-product.md` |
| List Unique | `/list-unique.md` |
| Sort & Reverse | `/list-sort.md` |
| This catalog | `/calculators.md` |

## Site pages

- [About](https://setcalculators.com/about.html)
- [Terms](https://setcalculators.com/terms.html)
- [Privacy](https://setcalculators.com/privacy.html)
- [Contact](https://setcalculators.com/contact.html)

## Discovery

- API catalog: `/.well-known/api-catalog`
- OpenAPI: `/openapi.json`
- Auth / access notes: `/auth.md`
- Sitemap: `/sitemap.xml`