Texas Instruments solar TI-36X User Manual page 15

Pi
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
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 p r; area = p r
Use the Fix function to display results rounded to the
nearest whole number.
2
4
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.
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
Examples
2 2
; surface area=(4 p )r
.)
ß
2pè5
5
31.
.1: ,-/
2 ß
pè5
79.
.1: ,-/
ß
2
4pè5
314.
.1: ,-/