OnePlus OP7T - Calculator; Recorder

Weather alert: Enable this to receive
weather notifications.
Calculator
Calculator provides common calculator
functions.
Enter the application drawer and open the
Calculator app.
 View history: Slide the top half area down to
view the history, and tap the CLEAR button in
the upper right corner to clear it.
Recorder
Recorder provides recording and viewing
functions.
Enter the application drawer and open the
Recorder app.
 Record:
 Start recording: Tap to start recording.
 Pause the recording: Tap to pause a
recording.
 Insert tags: Tap to insert tags.
Set the recording format: You can set the
recording format (aac / wav) by selecting the
settings in the upper right corner of the main
interface.