Hello @Angeli and we are happy to see you in our Community! Welcome 
Unfortunately, the widget is not released yet, but we do have plans to present it in the future.
Our developers are working on this application, however, due to the heavy workload, this is not the priority task now. So, unfortunately, we cannot name the exact release dates for this app.
Please vote for this app to get a notification upon its release here - Calculator widget
If you have any proposals on what you want the widget to look like, please feel free to leave a comment there or any insights you have as it helps us improve our upcoming app 