Vizualogic RoadTrip GPS Mirror - Manual (Page 17)

6. Assistant:
Introduction:
The Assistant tab is for the Calculator application.
2) Press the Calculator tab and you will get the built in calculator as shown below.
Calculator
1) After you press the Assistant tab you will get the Calculator Tab as shown in the picture below.
3) To exit the Calculator press the tab on the interface until you get back to the main
display.