manual

À 3.141592653590 for calculations.

À 3.141592654 for display.

Example

Note: Classic mode displays calculations with À as a decimal

approximation.

³ Problem

What is the area of a circle if the radius is 12 cm?

Reminder: A = Àr

The area of the circle is 144 À square cm. The area of the

circle is approximately 452.4 square cm when rounded to one

decimal place.

6 %c 64 <

D 2 T 6 E %a <

À 2 V g <

g V 12 G 2 <

≈