It's different. it's blue.
Try out Web version →
View History by clicking history button.
Clear history by Clear button.
Keyboard input disabled for web version.
Enter and backspace can be used as normal.
Signed Values are not Calculated currently.
Download Chrome Desktop app below
Drag drop in Google Chrome extensions.
Independent of browser, will run as your native application.
No boring interface, similar to the web.
No keyboard input restrictions.
In development, expansion, conversions and bugfixes ahead and coming soon in Chrome Webstore.