the selection about the Display screen is subtracted from your number inside the calculator memory. To remember the amount while in the calculator memory strike mr what on earth is an expression? what exactly is an operand? precisely what is an operator? I receive a lengthy answer. how can I sphe

the number about the Screen is subtracted within the amount while in the calculator memory. To recall the quantity in the calculator memory hit mr what's an expression? What is an operand? What is an operator? I get a prolonged response. How do I spherical it to the nearest integer or decimal loc