> ## Documentation Index
> Fetch the complete documentation index at: https://docs.primastem.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Appendix 4 - Find and fix an error in the program

> Learning Guide with PrimaSTEM. Book 1.

An error was made in each of these programs. Try to find and fix it.

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## Program 1

<img src="https://mintcdn.com/primastem/175QKR4CUet4QChM/images/book-1/attachment4-1.excalidraw.svg?fit=max&auto=format&n=175QKR4CUet4QChM&q=85&s=e24a00eb5d187667e67206241ea1ac09" alt="" width="562" height="857" data-path="images/book-1/attachment4-1.excalidraw.svg" />

***

## Program 2

<img src="https://mintcdn.com/primastem/175QKR4CUet4QChM/images/book-1/attachment4-2.excalidraw.svg?fit=max&auto=format&n=175QKR4CUet4QChM&q=85&s=81bd2e716e91c77cf2b38354687b0da8" alt="" width="562" height="857" data-path="images/book-1/attachment4-2.excalidraw.svg" />

***

## Program 3

<img src="https://mintcdn.com/primastem/175QKR4CUet4QChM/images/book-1/attachment4-3.excalidraw.svg?fit=max&auto=format&n=175QKR4CUet4QChM&q=85&s=e52536a04b729ad88186459279902dec" alt="" width="562" height="857" data-path="images/book-1/attachment4-3.excalidraw.svg" />


## Related topics

- [Learning Guide. Book 1.](/en/book-1/book-1.md)
- [Teacher's Guide](/en/teachersguide.md)
- [Guía de aprendizaje. Libro 1.](/es/book-1/book-1.md)