User Guide

54Chapter 14. Tools
• Tap FEEDBACK and follow the onscreen instrutions to enter your feedback, and then tap SUBMIT.
• Tap Contact us > Select your country to find the support.
View feedback report
On the Home screen, tap > Feedback > to view the feedaback reports you have sent.
14. 4 Calculator
1. On the Home screen, tap > Calculator to open the standard calculator.
2. Use one of the following methods to switch between the standard and scientific calculators:
• Tap the blue part on the right.
• Swipe left the operation part (the area in red dotted box below).