Casio FX-820MS - Manual (Page 9)

E-7
The two-line display makes it possible to view
both the calculation formula and its result at
the same time.
• The upper line shows the calculation formula.
• The lower line shows the result.
A separator symbol is displayed every three digits when
the integer part of the mantissa has more than three dig-
its.
Before getting started...
k Modes
Before starting a calculation, you must first enter the cor-
rect mode as indicated in the table below.
To perform this type of Perform this To enter
calculation: key operation: this mode:
Basic arithmetic calculations
F 1
COMP
Standard deviation F 2 SD
Regression calculations
F 3
REG
• Pressing the
F
key more than once displays additional
setup screens. Setup screens are described in the sec-
tions of this manual 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:
Two-line Display
SD
REG
Statistical
Calculations