iOS

iPhone: Browser

The Kvant calculator page on iPhone with the Share button highlighted

Open the calculator page

Open zaokvant.com/en/calculator on iPhone and choose the site language before installing. Then tap Share in the bottom browser toolbar.

Add to Home Screen highlighted in the iPhone action list

Choose Add to Home Screen

In the action list, tap Add to Home Screen. This adds the calculator to your phone's Home Screen.

The Add button highlighted on the iPhone Add to Home Screen page

Tap Add

Optionally shorten the app name, then tap Add. The Kvant icon will appear on the Home Screen.

Android

Android: Chrome

Open the page and menu

Open zaokvant.com/en/calculator or zaokvant.ru/calculator on Android, choose the site language, then tap the ⋮ browser menu.

Add to Home screen highlighted in the Android browser menu

Choose Add to Home screen

In the browser menu, tap Add to Home screen.

Install highlighted in the Android Add to home screen dialog

Choose Install

If Android offers a choice, tap Install. Create shortcut only adds a browser shortcut.

Install highlighted in the Android install confirmation window

Confirm installation

Tap Install in the confirmation window. The Kvant icon will appear on the Home Screen.

Installing the calculator as a PWA app

The Kvant radionuclide calculator supports PWA installation: the browser adds an icon to your phone and opens the calculator in a standalone window without the usual address bar.

On iPhone, open the calculator home page, choose the language, tap Share, choose Add to Home Screen and confirm. On Android, open the browser menu, choose Add to Home screen, then Install and confirm.

After installation it remains a web calculator with reference-status data. For operational or safety-related decisions, verify against source certificates, procedures and applicable regulations.