Decimals And Decimal Places - Texas Instruments TI-34 II Explorer Plus User Manual

Decimals and Decimal Places

Keys
These numbered paragraphs provide
explanations for the corresponding numbered
keys on the illustration below.
1. 8 enters a decimal point.
2. % ‚ displays the following menu,
which lets you set the number of
decimal places.
F 0 1 2 3 4 5 6 7 8 9
Sets floating decimal
F
(standard) notation. This is
the default setting.
Sets the number of decimal
0-9
places.
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Notes
The examples on the transparency
masters assume all default settings.
% ‚ 8 removes the setting and
returns to standard notation (floating
decimal).
The setting affects all decimal
FIX
results including the mantissa of
scientific notation results.
The TI-34 Û automatically rounds the
result to the number of decimal places
selected. For example, when the decimal
is set to 2 places, 0.147 becomes 0.15
when you press <. The TI-34 Û also
rounds or pads resulting values with
trailing zeros to fit the selected setting.
For example, when the decimal is set to 5
places, 0.147 becomes 0.14700 when you
press <.
All results are displayed to the FIX
setting until you clear the setting by
either pressing %‚ 8 or selecting F
(Floating) on the decimal notation menu.
Resetting the calculator also clears the
setting.
FIX
After pressing %‚, you can select
the number of decimal places in two
ways:
Press ! or " to move to the number
of decimal places you want, and then
press <, or
Press the number key that
corresponds to the number of
decimal places you want.
affects only the results, not the
FIX
entry.
TI-34 Û: A Guide for Teachers
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