LOGIC Test Operations (Page 3 of 3)

Now check if 3 + 6 = 9 or 3 + 6 = 14 is true.

 CLEAR key.

 3 Plus key. 6 2nd TEST key. 1: menu selection. 9 2nd TEST key. [LOGIC] 2: menu selection. 3 Plus key. 6
 2nd TEST key. 1: menu selection. 14 ENTER key.

Calculator screen image.

This is a true statement, because a value of 1 was returned. Notice that the first equality is true but the second is false. In contrast, the statement 3 + 6 = 8 or 3 + 6 = 14 should now be false since both individual equalities are false. Let's verify this. We can do this quickly using the 2nd ENTRY feature.

 2nd ENTRY key. Left arrow key. (8 times)
 8 ENTER key.
Calculator screen image.
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