Sharp W Series - Manual (Page 8)

7
Data Entry Keys
Provided the earth is moving around the sun in a circular orbit,
how many kilometers will it travel in a year?
* The average distance between the earth and the sun being
1.496 x 10 8 km.
C ircumference equals diameter x
π; therefore,
1.496 x 10 8 x 2 x
π
0 to 9
Pressing
π automatically enters the value for π (3.14159...).
The constant
π, used frequently in function calculations, is the ratio of the
circumference of a circle to its diameter.
<Example>
N umeric keys for entering data values.
D ecimal point key. Enters a decimal point.
Enters minus symbol or sign change key.
C hanges positive numbers to negative and negative numbers to positive.
Pressing this key switches to scientific notation data entry.
O per ation D isplay
2
1 496 8 DEG
X10
DEG