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8. Problem solving in Auto mode
a. Press the key to enter Problem Solving.
and indicators are displayed, indicating that you are
The
Auto
in the Automatic mode of Problem Solving.
A simple equation with one part missing is automatically
displayed.
(Problems are random.) The default start is with
addition.
eg, 9 + ? = 12. Keying in 3 where the cursor is, then enter,
results in YES as shown.
Key in an incorrect answer and watch the = symbol in the display.
In this case, 6 + 12 = ?
Press .
The calculator tells you the answer is wrong and gives you a hint (the
< or > symbol) to let you know how to adjust your answer to get the right answer.
Now key in the correct answer, in this case 18 . 6 + 12 = 18 and YES are displayed.
Then a new problem pops up for you to solve.
The calculator gives three tries before it gives the right answer and moves to the next
problem. After every 5 problems a scoreboard shows the number of correct and incorrect
answers.
d. Press
The Problem Solving menu is displayed. First, your score is displayed.
YES and NO tell you how many correct answers you have given and
how many incorrect.
e. The first selection AUTO
MAN is displayed.
AUTO is underlined because you are in AUTO mode.
f. Press Down . The selection 1 2 3 is displayed.
This selects the level of difficulty of the problems displayed;
level 1 is the simplest, level 2 intermediate, and level 3 the most difficult.
Press and to underline the level you want.
Press to confirm your selection.
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