- AC (ALL Clear)

Clear the displayed number and the state during calculation. - C (Clear)

Clear the number you are entering. The operation during calculation is maintained. - Exp (Exponento)

Enter a power of 10.

The number 2.5 x 10^{3}is entered by “2.5” [Exp] “3”, and it displayed as 2.5E3. - + / –

Reverse the sign of the displayed numerical value. - x
^{2}

Square the displayed number. - √x

Calculate the square root of the displayed number. - 1/x

Calculate the reciprocal of the displayed number. - π (Pi)

Enter the pi (3.141592653589793). - y
^{x}

Perform exponential calculation.

Enter “2” [y^{x}] “3” “=” for caluculate 2^{3} ^{x}√y

Perform exponential calculation.

Enter “8” [^{x}√y] “3” “=” for caluculate^{3}√8- x!

Calculate the factorial of the displayed number. - log

Calculate the logarithm (base 10) of the displayed number. - x⇔y

Swap the displayed value with the value being calculated.

“2” “+” “3” “÷” “1” [x⇔y] (displayed 5) “=” (displayed 0.2) - Rad

Change the units of angle of trigonometric functions between degrees and radians.

“R” is displayed in the indicator of the screen when the unit is in radian. - sin, cos, tan

Calculate sin / cos / tan with the displayed value as the angle. - sin
^{-1}, cos^{-1}, tan^{-1}

Calculate sin^{-1}/cos^{-1}/tan^{-1}. - Help

Display the help screen - Setting

Display the setting screen

- History

Up to 5 history of calculation results are displayed. The higher you go, the older the history. Tap any item to enter the number - Memory (メモリー)

The value added / entered to the memory is displayed in the context menu. Tap a number to enter that number. - Clear Memory

Clear the contents of memory (set to 0) - Clear History

Clear all history contents (set to 0)

- Success

A feedback sound will be heard when recognition fails successful (vibrate if mute). - Failure

A feedback sound will be heard when recognition fails (vibrate if mute).