II. Basic Calculations

D. Fractions

The TI-89 is in AUTO MODE and Pretty Print MODE by default.

AUTO
EXACT
APPROXIMATE

It is important to use parentheses around a numerator and denominator. Notice how the placement of parentheses can change the way the calculator displays an entry.

Other operations on fractions are explained in the section F2 and the section MATH Menu:I:9.

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