POCKET REFERENCE GUIDE — 22
You’re going to pour an odd-shaped patio
4-1/2 Inches deep with the dimensions as
shown. First, calculate the total Area (by
dividing the drawing into three individual
rectangles) and then determine the total
cubic Yards of concrete required for this
job. What is the total cost of the concrete
if it is selling for $55 per cubic Yard?
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Find Area “A” and add to Memory:
3 8 f 2 i
– 4 f 2 i = l
LNTH 34 FEET 0 INCH
2 7 f W WDTH 27 FEET 0 INCH
W AREA 918. SQ FEET
μ M+ 918. SQ FEET
3. Find Area “B” and add to Memory:
4 f 2 i l LNTH 4 FEET 2 INCH
8 f 6 i W WDTH 8 FEET 6 INCH
W AREA 35.41667 SQ FEET
μ M+ 35.41667 SQ FEET
4. Find Area “C” and add to Memory:
9 f l LNTH 9 FEET 0 INCH
9 f 6 i W WDTH 9 FEET 6 INCH
W AREA 85.5 SQ FEET
μ M+ 85.5 SQ FEET
5. Find Total Area/Volume and cost:
® ® M+ 1038.917 SQ FEET
x 4 i 1 / 2 = 14.4294 CU YD
x 5 5 Ç 0 $793.
62
M
M
M
M
M
M
M
M
M
(Cont’d)
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