This application is a simple Shiny app that allows users to enter a number and instantly see its square and cube.

The goal is to demonstrate basic reactivity in Shiny.

Many beginners struggle to understand how user input is processed and updated dynamically in Shiny applications.

This app solves that problem using a very simple numeric example.

Features: - Numeric input box - Server-side calculations - Reactive output display - Beginner-friendly user guide

The app is easy to use and requires no prior technical knowledge.

x <- 4
square <- x^2
cube <- x^3

square

## [1] 16

cube

## [1] 64