Texas Instruments TI Programmable 57 User Manual

SECTION 2: ADVANCED/
“SLIDE RULE” KEYS
i
ANGLE CONVERSIONS
You
may
at
times
find
it
necessary
to
convert
angular
values
from
one
unit
system
to
another,
While
there
are
no
special
conversion
keys
on
your
calculator
for
this
purpose,
the
key
sequences
to
convert
angular
units
in
the
first
and
fourth
quadrants
are
pretty
simple
and
can
be
used
without
affecting
the
memories
or
calculations
in
progress.
1)
Be
sure
the
calculator
is
in
the
correct
angular
mode
and
enter
the
angle
to
be
converted.
2) Press [2nd]
3)
Change
calculator
to
desired
angular
mode.
4) Press [Inv] (2nd)
Example:
Express
50
degrees
in
radians.
PrREss
DispLay/CoMMENTS
tes
J
0
50
Gre)
Em
0.7660444
Lise |
[inv]
(2nd)
0.8726646
Radians
The
angular
range
of
these
conversions
is
limited
to'the
first
and
fourth
quadrants.
For
larger
angles
you
may
convert
directly:
»
number
ofdegrees
<##=number
of
grads
»
number
ofdegrees
<;%
=
number
of
radians
e
number
of
grads
x#4—
number
of
degrees
e
number
ofgrads
x
—number
of
radians
e
number
ofradians
x=number
of
degrees
e
number
of
radians
x#=
number
of
grads

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English