Manual Texas Instruments LITTLE PROFESSOR (page 5 of 48) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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OPERATIONS

I always begin with an addition problem. If you want to change the

operation sign, press any other operation key:

For subtraction,

For multiplication,

For division,

For addition.

If you want to change operations (for example from

to + ), after

a set of five problems has already begun, just press the new

operation key and I will restart with a new set of five problems.

LEVELS OF DIFFICULTY

You can practice problems at five levels of difficulty:

1 2 3 4 5

is the easiest level,

the most difficult one.

You will see the number of the level in the lower left corner of the

display.

I always begin with level

eifm

Let’s practice harder problems; just press

until you see the

level of difficulty you want.

If you change levels (for example from

) after a set of five

problems has begun, just press

and I will restart with a new

set of five problems.

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Texas Instruments LITTLE PROFESSOR Manual

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