# Test2x2

> Easy-to-Use Statistical Calculator for 2×2 Contingency Tables

Canonical page: [https://chrome-stats.com/d/com.idnerdtw.test2x2](https://chrome-stats.com/d/com.idnerdtw.test2x2)

## Overview

- **ID:** `com.idnerdtw.test2x2`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** idman
- **Category:** TOOLS
- **Downloads:** 39
- **Version:** 0.7
- **Last updated:** 2025-06-05
- **First published:** 2025-06-01
- **Publisher country:** TW
- **Size:** 14 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.idnerdtw.test2x2)
- **Website:** [https://idnerdtw.github.io/test2x2/](https://idnerdtw.github.io/test2x2/)
- **Privacy policy:** [https://idnerdtw.github.io/test2x2/privacy.html](https://idnerdtw.github.io/test2x2/privacy.html)

## Description

A simple statistical calculator for analyzing 2x2 contingency tables, perfect for students and researchers.<br><br>Features:<br>Fisher&#39;s Exact Test<br>Chi-Square Test (with Yates correction)<br>Sensitivity, Specificity, PPV, NPV<br>95% Confidence Intervals<br>Diagnostic Odds Ratio<br>Instant calculations<br><br>Educational Purpose:<br>This app is designed for learning and preliminary analysis. For publication or critical decisions, verify results using established statistical software.

## Rankings

- #2,348,968 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `com.idnerdtw.test2x2.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.idnerdtw.test2x2)