User's Guide

User’s Guide — 23
TIME AND DATE MATH
Simple Addition
Add the following values:
33 Minutes 22 Seconds
3 Hours 21 Minutes
145 Seconds
1 Year
STEPS/KEYSTROKES DISPLAY
1. Clear calculator:
oo 0.
2. Enter 1st value then add 2nd, 3rd and
4th value:
3 3 m 2 2 ß + 33:22
MIN SEC
3 H 2 1 m +
3:54:22
H R M I N S E C
1 4 5 ß + 3:56:47 H R M I N S E C
1 y = 8 7 6 9 : 4 5 : 5 9 HR MIN SEC
Split Time Requirements
Exercise 1
If a marathon runner wants to run 26.2
miles in 3 hours 15 minutes, how fast
should he run each mile?
STEPS/KEYSTROKES DISPLAY
1. Clear calculator:
oo 0.
2. Enter total time:
3 H 1 5 m 3:15:
HR MIN
3. Divide by miles:
÷ 2 6 • 2 =
0:07:26.56
HR MIN SEC