User Manual

Table Of Contents
1-4
Icon Mode Name Description
TVM*
(Financial)
Use this mode to perform financial calculations and to draw
cash flow and other types of graphs.
E-CON3* Use this mode to control the optionally available Data Logger.
LINK Use this mode to transfer memory contents or back-up data to
another unit or PC.
MEMORY Use this mode to manage data stored in memory.
SYSTEM Use this mode to initialize memory, adjust contrast, and to
make other system settings.
PYTHON* Use this mode to create and execute Python programming
language scripts.
DIST* Use this mode to perform eight types of distribution
calculations, including Binomial, Normal, and Poisson. To
calculate probability values and draw a distribution graph,
select a distribution type and then input parameter values. You
can also perform inverse calculation to determine the value of
x from a probability value.
* Not included on the fx-7400GIII.
k About the Function Menu
Use the function keys ( 1 to 6) to access the menus and commands in the menu bar
along the bottom of the display screen. You can tell whether a menu bar item is a menu or a
command by its appearance.
k About Display Screens
This calculator uses two types of display screens: a text screen and a graph screen. The
text screen can show 21 columns and 8 lines of characters, with the bottom line used for the
function key menu. The graph screen uses an area that measures 127 (W) × 63 (H) dots.
Text Screen Graph Screen
k Normal Display
The calculator normally displays values up to 10 digits long. Values that exceed this limit are
automatically converted to and displayed in exponential format.