NlCalculator

【Core Features】

Floating Calculator is a lightweight utility tool that allows a calculator window to float over other apps. Whether you're browsing the web, chatting, shopping, or watching videos, you can instantly bring up the calculator without switching apps.

【Key Features】

✨ Floating Display – The calculator window stays on top of any app – open it when needed, close it when done

📱 Small & Lightweight – Tiny APK size, minimal storage usage, smooth performance

🔒 Privacy First – No personal data collected. The overlay permission is used solely for UI display and involves no data collection whatsoever

🧹 No Ads – Clean experience, no pop-up ads (remove if you have ads)

⚡ Easy to Use – Supports drag, resize, and close – adapts to your habits

【Permissions Explained】

Overlay Permission (SYSTEM_ALERT_WINDOW) – The only required permission. Used exclusively to display the calculator window above other apps. This permission involves no data collection, upload, or recording.

【Use Cases】

Calculate discounts while shopping online

Double-check numbers while reading documents

Split bills quickly while chatting with friends

Perform simple calculations during study or work