---
format: "aidr-story-markdown/v1"
id: "a0c7550df46155b00b5484b94f4d0446d7e548600980fdb1e5cbe596313c32d9"
canonical_url: "https://aidr.today/a0c7550d?lang=en"
title: "Show HN: Lathoa, a math app for kids where the AI is wrong on purpose"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-09-30T14:38:57.000Z"
category: "Products"
topics: ["reasoning"]
source_urls: ["https://lathoa.ai/en","https://news.ycombinator.com/item?id=49909648"]
summary: "Errol is a robot powered by real AI, and he gets math wrong on purpose. Your kid's job: catch the mistakes. Critical thinking for the AI age."
---

# Show HN: Lathoa, a math app for kids where the AI is wrong on purpose

> [Open the canonical story](<https://aidr.today/a0c7550d?lang=en>)

**Published:** 2026-09-30T14:38:57.000Z
**Category:** Products
**Topics:** reasoning

## Summary

Errol is a robot powered by real AI, and he gets math wrong on purpose\. Your kid's job: catch the mistakes\. Critical thinking for the AI age\.

## Sources

- [Story source](<https://lathoa.ai/en>)
- [Discussion](<https://news.ycombinator.com/item?id=49909648>)