Sharp OZ-707 Operation Manual - Page 66

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• The DEFSNG statement is executed. • The power is turned off. • The RUN or NEW command is executed. • A program is loaded (except by the CHAIN command). When using the DIM statement to establish the number of elements allowed in a numeric array, the DEFDBl statement must be used first if those elements are to be treated as double-precision variables: DEFDBl A DIM A(3,2) In the example below, the elements will be treated as single-precision variables: DIM A(3,2) DEFDBl A DEFSNG p o FORMAT: 1. DEFSNG character range 2. DEFSNG Abbreviation: DEFS. See Also: DEFDBl PURPOSE: Defines variable(s) with single-character names as having single precision accuracy or cancels double-precision mode specified by DEFDBL. REMARKS: In format 1, the variables in the "character range" are designated as single-precision. "Character range" can be specified as follows : • OEFSNG C-F where variables C, 0, E and F are designated as single-precision, or • OEFSNG E,F,Z,H-.J where variables E, F, Z, H, I and J are designated as single-precision. Variable names followed by double-precision type declaration characters (#) are given type priority over variable names declared by the DEFSNG statement. For example, variables E and F in the statement DEFSNG E,F will be treated as single-precision variables, but variables E# and F# as double-precision variables. Variables not declared as double- or single-precision are treated as single-precision variables. In format 2, all subsequent calculations are carried out with single precision. The DBl mark on the screen is canceled in this mode. 120 121

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• The DEFSNG statement
is
executed.
• The power
is
turned off.
• The
RUN
or NEW command is executed.
• A program
is
loaded (except by the CHAIN command).
When using the DIM statement to establish the number of elements
allowed
in
a numeric array, the
DEFDBl
statement must be used first
if those elements are to be treated as double-precision variables:
DEFDBl
A
DIM A(3,2)
In the example below, the elements will
be
treated
as
single-precision
variables:
DIM A(3,2)
DEFDBl
A
120
DE
FSNG
FOR
MAT:
1. DEFSNG character range
2.
DEFSNG
Abbreviation:
DEFS.
See
Also:
DEFDBl
PURPOSE:
De
fines variable(s) with single-character names as having single
precision accuracy or cancels double-precision mode specified by
DE
FDBL.
RE
MARKS
:
In
format 1, the variables
in
the "character range" are designated as
si
ngle-precision. "Character range" can
be
specified as follows:
• OEFSNG
C-F
p
o
where variables
C,
0,
E and F are designated as single-precision, or
• OEFSNG E,F,Z,H-.J
where variables
E,
F,
Z, H, I and
J
are designated as
single-precision.
Variable names followed by double-precision type declaration
characters (#) are given type priority over variable names declared by
the DEFSNG statement. For example, variables E and F in the
statement
DEFSNG E,F
will
be
treated as single-precision variables, but variables E# and F# as
double-precision variables. Variables not declared as double- or
single-precision are treated as single-precision variables.
In
format 2, all subsequent calculations are carried out with single
precision. The
DBl
mark on the screen
is
canceled
in
this mode.
121