Texas Instruments BA-20 Profit Manager User Manual - Page 7

Indicator, Meaning, COMPUTE, ENTER, is not displayed

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The indicators along the top of the display tell you which keys are active and offer information about the status of the calculator. Indicator Meaning 2nd Press a key to select its second function. INV Press a key to select its inverse trigonometric function. HYP Press a key to select its hyperbolic function. COMPUTE Press % to compute a value for the displayed variable. ENTER Press ! to assign the displayed value to the displayed variable. SET Press & V to change the setting of the displayed variable. # $ Press " or # to display the previous or next variable in the worksheet. Note: To easily scroll up or down through a range of variables, press and hold # or ". DEL Press & W to delete a cash flow or statistical data point. INS Press & X to insert a cash flow or statistical data point. BGN TVM calculations use beginning-of-period payments. When BGN is not displayed, TVM calculations use end-of-period payments (END). RAD Angle values appear in radians. When RAD is not displayed, angle values appear and must be entered in degrees.  The displayed value is entered in the selected worksheet. The indicator clears following a computation.  The displayed value is computed in the selected worksheet. When a value changes and invalidates a computed value, the_indicator clears. = The displayed variable is assigned the displayed value. - The displayed value is negative. Overview of Calculator Operations 3

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Overview of Calculator Operations
3
The indicators along the top of the display tell you which keys are active
and offer information about the status of the calculator.
Indicator
Meaning
2nd
Press a key to select its second function.
INV
Press a key to select its inverse trigonometric function.
HYP
Press a key to select its hyperbolic function.
COMPUTE
Press
%
to compute a value for the displayed variable.
ENTER
Press
!
to assign the displayed value to the displayed
variable.
SET
Press
& V
to change the setting of the displayed
variable.
#
$
Press
"
or
#
to display the previous or next variable in the
worksheet.
Note:
To easily scroll up or down through a range of
variables, press and hold
#
or
"
.
DEL
Press
& W
to delete a cash flow or statistical data point.
INS
Press
& X
to insert a cash flow or statistical data point.
BGN
TVM calculations use beginning-of-period payments. When
BGN
is not displayed, TVM calculations use end-of-period
payments (
END
).
RAD
Angle values appear in radians. When
RAD
is not displayed,
angle values appear and must be entered in degrees.
The displayed value is entered in the selected worksheet.
The indicator clears following a computation.
The displayed value is computed in the selected worksheet.
When a value changes and invalidates a computed value,
the indicator clears.
=
The displayed variable is assigned the displayed value.
–
The displayed value is negative.