Follow the steps bellow to install the most recent version of the Calculator Online Now App in your device.
Chrome
Open this website in Chrome and click here.
Or do a manual installation instead:
Click the 3 dots on the top right corner > Transmit, save and share > Install page as an app…
Edge
Open this website in Edge and click here.
Or do a manual installation instead:
Click the 3 dots on the top right corner > Apps > Install this site as an app
Firefox
Open this website in Firefox.
Install Progressive Web Apps for Firefox extension and follow the instructions until everything is installed.
Click the extension icon > Choose Install Site
Safari
Open this website in iOS / iPadOS.
Manual installation available only:
Click Share > Add to Home Screen > Add
Or
Open this website in macOS (Sonoma ou superior).
Manual installation available only:
Click File > Add to Dock > Add
Opera
Not available.
Notes:
Last updated at 06/07/2025. The steps above might have changed in the meanwhile.
We covered all major browsers. For other browsers not listed here, please do a web search on how to proceed.