Free Template
Free Simple Calculator App Template
A clean one-page calculator app built with Codexirra, using a React, Vite, TypeScript frontend and a FastAPI backend.

What this app does
This template is a practical example of a small full-stack Codexirra application. The frontend gives users a polished calculator interface while the backend handles expression evaluation through a real API endpoint.
Included features
- Adds, subtracts, multiplies, divides, and calculates modulo.
- Supports decimal numbers and keyboard input.
- Shows clear loading and error states.
- Keeps the five most recent calculations on the page.
- Uses a real backend endpoint for safe expression evaluation.
