Getting Started with the TI-84 Plus C Silver Edition 21
FRACTION TYPE: n/d, Un/d
n/d displays results as a simple fraction. Fractions may contain a
maximum of six digits in the numerator; the value of the denominator
may not exceed 9999.
Un/d di
splays results as a mixed number, if applicable.
U, n, and d must
be all be integers. If
U is a non-integer, the result may be converted
U … n/d. If n or d is a non-integer, a syntax error is displayed. The whole
number, numerator, and denominator may each contain a maximum of
three digits.
Note: To perform division with a complex number in the num
erator or
denominator, use regular division instead of the n/d template.
ANSWERS: AUTO, DEC, FRAC-APPROX
Auto displays answers in a similar format as the input. For example, if a
fraction is entered in an expression, the answer will be in fraction form, if
possible. If a decimal appears in the expression, the output will be a
decimal number.
Dec
displays answers as integers or decimal numbers.
Fr
ac-Approx attempt
s a fraction conversion using the number of
decimals carried by the graphing calculator. A fraction answer may be
exact or approximate for any real number result.
Note: The Answers mode setting also affects how values in sequences,
lists, and tables are displayed. Choose
Dec or Frac to ensure that values
are displayed in either decimal or fraction form. You can also convert
values from decimal to fraction or fraction to decimal using the
FRAC
shortcut menu or the MATH menu.
GOTO 2ND FORMAT GRAPH: NO, YES
No does not display the FORMAT graph screen, but can always be
accessed by pressing y ..
Yes le
aves the mode screen and displays
the FORMAT graph screen when
you press Í so that you can change the graph format settings. To
return to the mode screen, press z.
STAT DIAGNOSTICS: OFF, ON
Off displays a statistical regression calculation without the correlation
coefficient (r) or the coefficient of determination (r
2
).
On displays a statistical regression calculation with the corre
lation
coefficient (r), and the coefficient of determination (r
2
), as appropriate.
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