Operation Manual

63Chapter 16 . Tools
• View frequently asked questions: Some frequently asked questions are displayed on the Feedback screen.
Tap the question you are interested to get the answer. You can also tap See more FAQ to view more
frequently asked questions and their answers.
• Search questions: To quickly find the question you want, you can tap and enter the key words of your
question. It is noted that you can only find the questions that are already included in Feedback. For more
questions, you can tap Contact us to contact us and get the answer.
• Send feedback: Tap FEEDBACK and follow the onscreen instrutions to enter your feedback, then tap
Submit. You can always go to Feedback -> to view the feedabacks you have sent.
16. 7 Calculator
Use the calculator
1. On the Home screen, tap Calculator to open the standard calculators.
2. Rotate the screen to access the scientific calculator (The calculator will still rotate when auto-rotation is
disabled).
3. Tap numbers and use the arithmetic feature to complete an operation.
Calculator shortcut
Swipe up from at the bottom of the lock screen to display lock screen features and tools, and then tap
to open the calculator.