Texas Instruments TI-30XIIB Owners Manual - Page 35

Degree, Radian, Conversions

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Degree, Radian, Grad Conversions It is frequently necessary to convert angular values from one unit system to another. While there are no special conversion keys for this purpose. the key sequences to convert angular units are relatively simple and can be used without affecting the memory register or calculations in progress. First. be sure the calculator is in the correct angular mode for entry of the angle to be converted. Conversion Degrees to Radians Degrees to Grads Grads to Degrees 1 11 Grads to Radians Radians to Degrees Radians to Grads Example: Express 50 degrees fll radians. then grads. then back to degrees. Select degree mode Enter Press Display Comments 50 P.. [oil keld DI E '.87266463 Radians Lim] p atilt) I '55 555556 Grads 50. Degrees The angular range of the above conversions must be limited to the first and fourth quadrants: 0190 degrees 01100 grads 0 1- 1r/2 radians Larger angles used in the conversion sequences are returned in the first or fourth quadrants as governed by the calculator arcsine function. 33

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Degree,
Radian,
Grad
Conversions
It
is
frequently
necessary
to
convert
angular
values
from
one
unit
system
to
another.
While
there
are
no
special
conversion
keys
for
this
purpose.
the
key
sequences
to
convert
angular
units
are
relatively
simple
and
can
be
used
without
affecting
the
memory
register
or
calculations
in
progress.
First.
be
sure
the
calculator
is
in
the
correct
angular
mode
for
entry
of
the
angle
to
be
converted.
Conversion
Degrees
to
Radians
Degrees
to
Grads
Grads
to
Degrees
Grads
to
Radians
Radians
to
Degrees
Radians
to
Grads
1
11
Example:
Express
50
degrees
fll
radians.
then
grads.
then
back
to
degrees.
Select
degree
mode
Enter
Press
Display
Comments
50
keld
P
.
.
[oil
DI
E
'.87266463
Radians
Lim]
p
atilt)
I
'55
555556
Grads
50.
Degrees
The
angular
range
of
the
above
conversions
must
be
limited
to
the
first
and
fourth
quadrants:
0190
degrees
01
100
grads
0
-
11r/2
radians
Larger
angles
used
in
the
conversion
sequences
are
returned
in
the
first
or
fourth
quadrants
as
governed
by
the
calculator
arcsine
function.
33