Texas Instruments solar TI-36X - Manual (Page 15)

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Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 13 of
48
Pi
5 enters the value of p. It is stored internally to 13
digits ( 3.141592653590) and displayed to 10 digits
( 3.141592654).
When multiplying p by a number, you do not need to
press <; multiplication is implicit.
³ Examples
Find the circumference and the area of a circle having a
radius of 5 centimeters. Find the surface area of a
sphere having a radius of 5 centimeters. (Remember:
circumference=2
pr; area =pr 2 ; surface area=(4 p)r 2 .)
Use the Fix function to display results rounded to the
nearest whole number.
% t " V 2 5 < 5
V 2 p и5 Я
31.
.1: ,-/
# ' " " " P V p и5 2 Я
79.
.1: ,-/
# % [ 4 V 4 p и5 2 Я
314.
.1: ,-/
The circumference of the circle is 31 centimeters, and
the area is 79 square centimeters. The surface area of
the sphere is 314 square centimeters.