Calculator Vocabulary

Grades P-3	Grades 4 - 6	Grades 7 - 9
calculator display	clear entry key	opposite of key
clear key
constant feature	decimal key	overflow
equals key	division key	percent key
keystrokes	E error sign	percent of increase
minus key	memory and the functions of the keys: memory plus, memory minus, clear memory, recall memory	percent of decrease
multiplication key	order of operations	square root key
plus key	sequence	underflow
suppressed zero