Calculated Industries 44060 - Manual (Page 63)

User's Guide — 61
GRADE/SLOPE
Back-Fill on a Slope — Percent of Grade Known
You’ve built 55 linear feet of a 3 foot high retaining wall that is 3 feet
from the base of a 65% grade. You need to pour back-fill within 12
inches of the top of the wall (for a 2 foot depth). How many cubic yards
of fill should you have delivered?
Keystroke Display
1. Find volume for “A”:
[On/C] [On/C] 0.
55 [Feet] 55 FEET
[x] 3 [Feet] 3 FEET
[x] 2 [Feet] [=] [M+] 330. CU FEET M
2. Find run/diagonal of “B”:
65 [%] [Pitch] PTCH 0.65 M
2 [Feet] [Rise] RISE 2 FEET 0 INCH M
[Run]*
RUN 3 FEET 0-15/16 INCH M
[Diag]* DIAG 3 FEET 8-1/16 INCH M
*The Trig Plus III will have a higher fractional accuracy when dis-
playing these values. If you desire to match the results as shown,
press [Conv] [1] to temporarily set fractional accuracy to one six-
teenth, or use the Preference Setting to permanently set the calcu-
lator to one sixteenth.
(Cont’d)