Tap “Tools” to enter the “Calculator” interface in the standby status. Tap numbers and functions just like you would with a standard calculator. Memory operation introduction:
mc: Clear memory data.
m+: Add the displayed number and memory number to what is in the memory.
m-: Subtract the displayed number from what is in the memory.
mr: Display the memory data.
AC: Clear the data.
The standard calculator is displayed by default. You can hold the phone horizontally to display the scientific calculator.