Calculated Industries ConcreteCalc Pro 4225 Pocket Reference Manual page 34

1 / 4 d d
5. Enter .375 inch drop per foot and find
amount of drop:
. 3 7 5 i d d
6. Convert to decimal inches:
c i
7. Convert to decimal feet:
c f
Drop of a Retaining Wall
You're building a 61 foot 8 inch retaining
wall along a driveway that slopes away
at 1/4 inch per foot. There are 4 sections,
each measuring 15 feet 5 inches in length.
What is the proper drop amount for each
section? What is the total (accumulated)
drop depth at the end of all four sections?
KEYSTROKE
1. Clear calculator:
o o
2. Enter wall section length:
1 5 f 5 i l
3. Enter drop per foot to find the drop per
section and the total drop depth at first
wall section:
1 / 4 d d
4. Find the total drop depth of second
through fourth wall sections:
d
d
d
DROP 0 FEET 3-1/2 INCH
DROP 0 FEET 5-1/4 INCH
LNTH 15 FEET 5 INCH
DROP 0 FEET 3-7/8 INCH
DROP 0 FEET 7-11/16 INCH
DROP 0 FEET 11-9/16 INCH
DROP 1 FEET 3-7/16 INCH
5.25 INCH
0.4375 FEET
DISPLAY
0.