Radio Shack TRS-80 Model III - Character Codes

APPENDIX
Arithmetic
Functions*
Function
Operation
(unless noted
otherwise,
-1.7E
+
38<
=
«p<
=
1.7E
+
38)
ABS(exp)
Returns
absolute value.
ATN(exp)
Returns
arctangent in radians
.
CDBL(exp)
Returns
double-precision
representa-
tion
of exp.
Cim(exp)
Returns
largest integer
not greater
than
exp. Limits:
-3276&<
=
exp<
+ 32768.
COS(exp)
Returns
the cosine
of exp; assumes
exp is in radians
.
CSNG(exp)
Returns
single-precision
representation,
with
5/4 rounding
in least significant
decimal when
exp is
double-precision.
EXP(exp)
Returns
the natural
exponential
,
e
exp
=
EXP(exp).
FlX(exp)
Returns
the integer
equivalent to
truncated exp (fractional
part of
exp
is
chopped off).
INT(exp)
Returns largest
integer not greater
than exp
.
LOG(exp)
Returns natural
logarithm (base
e)
of
exp.
Limits:
exp must
be positive.
RND(O)
Returns
a pseudo-random
number
bet
ween
. 00000
1
and
.
999999
inclusive.
RND(exp)
Returns
a pseudo-random
number
between
1 and INT(exp) inclusive.
Limits:
K
=
exp<32768.
Examples Fagt
ABS(L*.7)
ABS(SIN(X))
179
ATN(2.7)
ATN(A*3)
179
CDBL(A)
CDBL(A+1/3#)
180
C!NT(A# + B)
180
COS(2*A)
COS(A/57.29578)
180
CSNG(A#)
CSNG(.33*B#)
180
EXP(34.5)
EXP(A*B*C-1)
FIX(A-B)
181
181
INT(A + B*C)
181
LOG(12.33)
LOG(A
B + B)
181
182
Returns
—
1 for negative
exp; for
zero exp; + 1 for positive
exp
.
SGN(exp)
*exp is any
numeric-
valued expression or
constant
RND(0)
RND(40)
RND(A + B)
SGN(A*B +
3)
SGN(COS(X))
182
182
217