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B-8 Service and Warranty Information
To maximize accuracy, the TI
.
80 carries more digits internally than it displays.
Values in memory are stored using up to 13 digits with a
two-digit exponent.
¦
You can store values in the Window variables using up to
10 digits (13 digits for
XSCL
,
YSCL
, and
TSTEP
).
¦
When a value is displayed, the displayed value is rounded
as specified by the
MODE
setting (Chapter 1), with a
maximum of 10 digits and a two-digit exponent.
¦
REGEQ
displays up to 13 digits.
XMIN
is the center of the leftmost pixel,
XMAX
is the center of
the next to the rightmost pixel. (The rightmost pixel is
reserved for the busy indicator.)
@
X
is the distance between
the centers of two adjacent pixels.
¦
@
X
is calculated as
(XMAX–XMIN)
à
62
.
¦
If
@
X
is entered from the Home screen or a program, then
XMAX
is calculated as
XMIN+
@
X
×
62
.
Ymin
is the center of the next to the bottom pixel,
YMAX
is
the center of the top pixel.
@
Y
is the distance between the
centers of two adjacent pixels.
¦
@
Y
is calculated as
(YMAX
.
YMIN)
à
46
.
¦
If
@
Y
is entered from the Home screen or a program, then
YMAX
is calculated as
YMIN+
@
Y
×
46
.
Cursor coordinates are displayed as six characters, which may
include a negative sign, decimal point, and exponent.
Accuracy Information
Computational
Accuracy
Graphing
Accuracy