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E-3
Before getting started...
kModes
Before starting a calculation, you must first enter the correct
mode as indicated in the table below.
• The following table shows the modes and required
operations for the fx-570MS and fx-991MS.
fx-570MS and fx-991MS Modes
• Pressing the
F
key more than three times displays
additional setup screens. Setup screens are described
where they are actually used to change the calculator
setup.
• In this manual, the name of the mode you need to enter
in order to perform the calculations being described is
indicated in the main title of each section.
Example:
To perform this type of Perform this To enter
calculation: key operation: this mode:
Basic arithmetic
F 1 COMP
calculations
Complex number
F 2 CMPLX
calculations
Standard deviation
F F 1
SD
Regression calculations
F F 2
REG
Base-n calculations
F F 3
BASE
Solution of equations
F F F 1
EQN
Matrix calculations
F F F 2
MAT
Vector calculations
F F F 3
VCT
CMPLX
Complex Number
Calculations
Note!
• To return the calculation mode and setup to the initial
defaults shown below, press
A B 2(Mode) =.
Calculation Mode: COMP
Angle Unit: Deg
Exponential Display Format: Norm 1, Eng OFF
Complex Number Display Format:
a+bi
Fraction Display Format: a
b
/c
Decimal Point Character: Dot