Data Entry Keys - Sharp WriteView EL-W531 Operation Manual

Data Entry Keys

0 to 9
Numeric keys for entering data values.
Decimal point key. Enters a decimal point.
Enters the minus symbol.
The subtraction key
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>
1.496
© Sharp Corporation
SHARP
is not used for entering negative numbers.
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.
Circumference equals diameter x π; therefore,
x 2 x π
1.496 x 10
8
Operation
8 2
7
Display