Texas Instruments TI-15 - Whole Numbers and Decimals

© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
63
Whole Numbers and Decimals
6
Keys
1.
r
enters a decimal point.
2.
Š
sets the number of decimal
places in conjunction with the Place
Value keys (3 through 9 on the
illustration below). Only the
displayed result is rounded; the
internally stored value is not
rounded. The calculated value is
padded with trailing zeros if needed.
3.
Š 
rounds results to the
nearest thousand.
4.
Š ‘
rounds results to the
nearest hundred.
5.
Š ’
rounds results to the
nearest ten.
6.
Š “
rounds results to the
nearest one.
7.
Š ˜
rounds results to the
nearest tenth.
8.
Š ™
rounds results to the
nearest hundredth.
9.
Š š
rounds results to the
nearest thousandth.
Š r
removes the fixed-decimal
setting.
You must press
Š
before a Place
Value key each time you want to
change the number of places for
rounding.
Notes
•
The examples on the transparency
masters assume all default
settings.
•
The calculator automatically
rounds the result to the number of
decimal places selected. (Only the
displayed value is rounded. The
internally stored value is not
rounded.)
1
9
8
7
6
5
4
3
2