the quantity about the Display screen is subtracted within the quantity within the calculator memory. To recall the selection inside the calculator memory hit mr What is an expression? what's an operand? what's an operator? I get a extensive answer. how can I spherical it to the nearest integer or decimal location? what's A Calculator employing

the variety around the display is subtracted with the quantity while in the calculator memory. To recall the amount inside the calculator memory strike mr precisely what is an expression? what on earth is an operand? exactly what is an operator? I get a extended answer. how can I spherical it to the nearest integer or decimal spot? What is A Cal