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Radio Shack Telephone Interface II Manual

Radio Shack Telephone Interface II
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5.
Scientific
functions
Your
TRS-80
Pocket
Computer
permits functions
to
be
calculated
just
the
same
as in
standard
mathematic
formulas.
When
performing
a functional
calculation
of a constant or
memory,
use
following
form:
SIN
30
or
SIN
A. In other
cases use parentheses
such as LN
(A*B) or
SIN
(it
12).
Angle
mode
The
angular
mode
is
designated
by the
following:
Degree
mode:
CE
[T]
\JT\
[~r]
LED
QD
S
("DEG"
will
appear
at the top
of
the
display.)
Radian
mode:
QTI
[X] QT]
CD
EC
Cnj
(i™)
("RAD"
will appear)
Grad
mode:
CE CE
EH
CS
S
("GRAD"
will
appear)
Trigonometric
functions
(SIN,
COS,
TAN)
Examples:
S
I N
30=
(sin30=)
Set the
angular
mode
to
"DEG".
COS
U/4)=
(cos|=)
RAD
mode
TAN
150=
(tan150=) GRAD
mode
Operation
Display
Note
DEG
(
[SXECIDCIDHH
ED
SDmm30
[enter]
RAD
( CECSCDDmCSC
Eciroirs~im[ii^nn
"TlfElitEH';
)
SIN30_
0. 5
TT|[i^
)
COS
u
_
"DEG"
SIN
30°
"RAD"
m 4ED COS
U/4)
_
[emter|
grad
(rGirRirAir5i[5i^i)
CXDCBC1D150
|enter|
7.
071
06781 2E-01
TAN150_
_<].
COS
f
irad)
"GRAD"'
TAN
150"
Inverse
trigonometric
functions
(ASN,
ACS,
ATN)
Example: ASN
-0.5
=
(sin-
l
(—
0.5)=)
Set
angular
mode
to
DEG
ACS
(-0.5+0.1)=
(cos
l
(-0.
5+0.1)=)
Set
angular
mode to
RAD
ATN
(7/3)=
(tan-
l
^=)
Set
angular mode to
GRAD
ASN: Arcsine
ACN:
Arccosine
ATN:
Arctangent
Operation
Display
Note
DEG
rcLinnrsirmr^n
s
ASN-.
5_
Set
DEG
mode
|ekteb|
-30.
C°D
RADmrcirsnmr=i.s
m.im
ACS
(-.
5_
ACS
(-.
5
+
.
1)
_
Set
RADIAN
mode
|eNTEr|
1.
982313173
trad)
GRAD
E]CT]E]m7
ATN
(7_
|entcr]
ATN
(7/3)
.
74.
22378832
Set
GRAD
mode
CO
21

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Radio Shack Telephone Interface II Specifications

General IconGeneral
BrandRadio Shack
ModelTelephone Interface II
CategoryDesktop
LanguageEnglish

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