Casio FX-991ES User Guide - Page 9

Calculation Modes and, Calculator Setup - statistics

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Important! • For a very complex calculation or some other type of calculation that takes a long time to execute, the display may show only the above indicators (without any value) while it performs the calculation internally. Calculation Modes and Calculator Setup k Calculation Modes When you want to perform this type of operation: General calculations Complex number calculations Statistical and regression calculations Calculations involving specific number systems (binary, octal, decimal, hexadecimal) Equation solution Matrix calculations Generation of a number table based on an expression Vector calculations Specifying the Calculation Mode (1) Press N to display the mode menu. Select this mode: COMP CMPLX STAT BASE-N EQN MATRIX TABLE VECTOR (2) Press the number key that corresponds to the mode you want to select. • To select the CMPLX Mode, for example, press 2. k Configuring the Calculator Setup Pressing 1N(SETUP) displays the setup menu, which you can use to control how the calculations are executed and displayed. The setup menu has two screens, which you can jump between using c and f. c f E-7

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E-7
Important!
• For a very complex calculation or some other type of calculation
that takes a long time to execute, the display may show only the
above indicators (without any value) while it performs the calculation
internally.
Calculation Modes and
Calculator Setup
k
Calculation Modes
When you want to perform this type of
Select this
operation:
mode:
General calculations
COMP
Complex number calculations
CMPLX
Statistical and regression calculations
STAT
Calculations involving specific number systems
BASE-N
(binary, octal, decimal, hexadecimal)
Equation solution
EQN
Matrix calculations
MATRIX
Generation of a number table based on an
TABLE
expression
Vector calculations
VECTOR
Specifying the Calculation Mode
(1) Press
N
to display the mode
menu.
(2) Press the number key that corresponds to the mode you want to
select.
• To select the CMPLX Mode, for example, press
2
.
k
Configuring the Calculator Setup
Pressing
1N
(SETUP) displays the setup menu, which you can
use to control how the calculations are executed and displayed. The
setup menu has two screens, which you can jump between using
c
and
f
.
c
f