Data Entry Keys
0 to 9 N umeric keys for entering data values. Decimal 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 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.
Pressing this key switches to scientific notation data entry.
<Example> 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 108 km.
C ircumference equals diameter x π; therefore, 1.496 x 108 x 2 x π
O per ation
1 
496 
8
D isplay
DEG
X10
2
DEG
7
