I'm the operator with my pocket calculator
I'm the operator with my pocket calculator
I am adding and subtracting

I'm controlling and composing
I'm the operator with my pocket calculator
I'm the operator with my pocket calculator


I am adding and subtracting
I'm controlling and composing

By pressing down a special key, it plays a little melody
By pressing down a special key, it plays a little melody


I'm the operator with my pocket calculator
I'm the operator with my pocket calculator