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Real–Number Functions 4–3
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
4.1
37893.
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.37893
1.4
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z
.
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Trigonometry
Entering
π
Press
{
M
to place the first 12 digits of
π
into the X–register.
(The number displayed depends on the display format.) Because
π
is a
function, it doesn't need to be separated from another number by
.
Note that calculator cannot exactly represent
π
, since
π
is an irrational
number.
Setting the Angular Mode
The angular rode specifies which unit of measure do assume for angles used
in trigonometric functions. The mode does not convert numbers already
present (see "Conversion Functions" later in this chapter)
360 degrees = 2
π
radians = 400 grads
To set, an angular mode, press
z
. A menu will be displayed from
which you can select an option.
Option Description Annunciator
{
} Sets Degrees mode (DEG). Uses decimal
degrees, not degrees, minutes, and
seconds.
none
{
} Sets Radians mode (RAD). RAD
{
} Sets Grads mode (GRAD). GRAD