Using Memory Keys

You can store numbers in the memory register of the Paper Calculator. When a value is present in memory, the smartpen screen shows an M indicator.

When the value in memory changes, the indicator on your smartpen screen blinks. When the value in memory is zero, the memory indicator disappears.

	Adds the currently displayed value to the value in the memory register.
	Subtracts the currently displayed value from the value in the memory register.
	Shows the value currently in the memory register.
	Sets the memory value to “0”.