![](/images/new-backgrounds/1326591/32659179x1.webp)
3.11 Calculator
Use Calculator to perform the basic mathematical calculations.
Tap the Calculator button on the WorldMate main menu to open the screen as shown.
Backspace
Clear all.
Change sign
3.12 WorldMate Data Update
Use the WorldMate data update tool to update the latest weather forecasts and the currency exchange rates to your device.
Installing WorldMate Data Update Tool
1.Turn on your computer and insert the Application DVD into the
2.Select the language.
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