Casio fx-991ES Calculator User Manual


 
E-6
k About the Display
Your calculator has a 31-dot × 96-dot LCD screen.
Example:
k Display Indicators
Sample Display:
This
Means this:
indicator:
The keypad has been shifted by pressing the 1
key. The keypad will unshift and this indicator will
disappear when you press a key.
The alpha input mode has been entered by pressing
the S key. The alpha input mode will be exited
and this indicator will disappear when you press a
key.
M There is a value stored in independent memory.
STO
The calculator is standing by for input of a variable
name to assign a value to the variable. This indicator
appears after you press 1t(STO).
RCL
The calculator is standing by for input of a variable
name to recall the variable’s value. This indicator
appears after you press t.
STAT The calculator is in the STAT Mode.
CMPLX The calculator is in the CMPLX Mode.
MAT The calculator is in the MATRIX Mode.
VCT The calculator is in the VECTOR Mode.
7 The default angle unit is degrees.
8 The default angle unit is radians.
9 The default angle unit is grads.
FIX A fixed number of decimal places is in effect.
SCI A fixed number of significant digits is in effect.
Math Math style is selected as the input/output format.
$`
Calculation history memory data is available and can
be replayed, or there is more data above/below the
current screen.
Disp
The display currently shows an intermediate result
of a multi-statement calculation.
{
Input expression
Calculation result
CMPLX
A
S