fx-82MS fx-82TL fx-9860GII TI-83
ENTER
On a TI calculator you can enter a calculation
ENTER
Whenever you press this key after inputting values or an expression, the calculated result automatically updates answer memory contents by storing the result.
Exemple 1
To calculate 
1 ÷ 2 + 1 ⋅ 6 ENTER 1/2+1.6 2.1
Example 2
To calculate 5 × −2 = −10
5 × (–) 2 ENTER 5∗ -2 -10
Example 3
To calculate sin (90°) = 1
SIN 9 0 ENTER sin(90 1