1.4 .37893 .37893 š1.4 _z. )

TrigonometryEntering π

Press {Mto 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 š.

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 = 2π radians = 400 grads

To set, an angular mode, press zŸ. A menu will be displayed from which you can select an option.

Option

Description

Annunciator

 

 

 

{}

Sets Degrees mode (DEG). Uses decimal

none

 

degrees, not degrees, minutes, and

 

 

seconds.

 

{}

Sets Radians mode (RAD).

RAD

{}

Sets Grads mode (GRAD).

GRAD

 

 

 

Real–Number Functions 4–3

File name 32sii-Manual-E-0424

 

Printed Date : 2003/4/24

Size : 17.7 x 25.2 cm