Texas Instruments BA II Plus, Руководство пользователя

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1: Overview of Calculator Operations 5
Display Indicators
Indicator Meaning
2nd The calculator will access the second function of the next key
pressed.
INV The calculator will access the inverse function of the next key or
key sequence pressed.
HYP The calculator will access the hyperbolic function of the next
key or key sequence pressed.
COMPUTE
You can compute a value for the displayed variable by pressing
%
.
ENTER You can enter a value for the displayed variable by keying in a
value and pressing
!
.
SET The displayed variable is a setting that you can change by
pressing
& V
.
# $ You can press
"
to view previous variables in the current
worksheet or
#
to view subsequent variables.
DEL You can press
& W
to delete a cash flow or a statistical data
point.
INS
You can press
& X
to insert a cash flow or a statistical data
point.
BGN You have selected beginning-of-period payments for TVM
calculations. If the
BGN indicator is not displayed when you are
in the TVM worksheet, end-of-period payments are selected.
RAD The calculator is in the radian mode. All angle values are
displayed and must be entered as radians. If the
RAD indicator is
not displayed, all angle values are displayed and must be entered
as degrees.
€
The displayed value has been entered in a worksheet. After a
computation, the
€
indicators are cleared.

The displayed value has been computed in a worksheet. If you
make a change to the worksheet that invalidates a previously
computed value, the

indicator is removed from that value.
= The displayed value is “assigned” to the variable represented by
the label in the display. If the
= indicator is not displayed, the
displayed value is not assigned to the displayed variable.
.
The displayed value is negative.