My Calendar gone

[useriyIOlu9nc9]

My calendar app was removed from my T-Mobile phone. What happened I installed Notepad. I can't uninstall it so I force stop on the the app and it did nothing to bring back my calendar that I've relied on PLEASE HELP . THANKS 

[BruZZi]

If it's not listed at

Settings > Apps > Calendar.

and its the stock Samsung Calendar App you're looking for, you can download it again from the Samsung Galaxy Store or Google Play Store.

Search for "Samsung Calendar".