Texas Instruments solar TI-36X User Manual
Page 15
13
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.