Testo di Pocket Calculator

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