HP 38g Graphing Calculator - Manual (Page 15)

Display Modes
You can set the Home modes in ^ [MODES]. You make
your selections using an input form. To fill out an input form,
see “Using Input Forms,” after this table. The Decimal Mark
setting affects all aplets, as well as Home.
When you are done setting MODES, press | home | to return to
the Home screen.
[MODES] Setting
Angle
Measure
Number
Format
Decimal
Mark
Title
Options
Angle values are:
Degrees. 360 degrees in a circle.
Radians. 2Tr radians in a circle.
Grads. 400 grads in a circle.
Standard. Full-precision display.
Fbted. Displays results rounded to a number of
decimal places. Example ; 123.456789 becomes
123.4568 in Fixed 4 format.
Scientific. Displays result with an exponent,
one digit to the left of the decimal point, and
the specified number of decimal places.
Example: 123.456789 becomes 1.23E2 in
Scientific 2 format.
Engineering. Displays result with an exponent
that is a multiple of 3, and the specified number
of significant digits beyond the first one.
Example: 123.456E7 becomes 1.23E9 in
Engineering 2 format.
Fraction. Displays results as fractions based on
the specified number of decimal places for
precision. Examples: 123.456789 becomes 123
in Fraction 2 format, and .333 becomes 1/3 and
29/1000 becomes 2/69.
Dot or Comma. Displays a number as 12456.98
(Dot mode) or as 12456,98 (Comma mode).
Dot mode uses commas to separate elements in
lists and matrices, and to separate function
arguments. Comma mode uses periods as
separators in these contexts.
Customizes the title in the Home screen.
Getting Started 1-7