Sharp EL-506H

A horse has track times of 2 minutes 25 seconds, 2 minutes 38 seconds, and 2
minutes 22 seconds. What is the average running time?
Key in: .0225 [B -0238 S] .0222 E^ [=1
Answer 1: 0.123611111
Key in: [B 3 [=]
Answer 2: 0.041203703
Key in: [2ndF| I'O.xsl
Answer 3 : 0.022833333 or the average time is 2 minutes 28 seconds
13. Coordinate Conversion
Converting rectangularcoordinates to polar (x, y -► r, fl )
6 - tan '
DEG: 0 g I e I ^ 180
RAD: OglelgjT
GRAD: 0 < 19 I < 200