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COMPLEX CONCRETE VOLUME
Example: You're going to pour an odd-shaped patio 4-1/2 Inches deep with the dimensions shown
below. Calculate the total area (by dividing the drawing into three rectangles) and determine the total
Yards of concrete required. Then, find the total cost, if concrete costs $45 per Cubic Yard.
KEY INPUT & DISPLAY
1. Find area of Part " A " and store into Memory:
On/C
On/C
–
2
5
Feet
=
5
Feet
×
3
0
Feet
M+
2. Find area of Part " B " and store into Memory:
5
Feet
×
=
8
Feet
M+
3. Find area of Part " C " and store into Memory:
8
Feet
=
×
8
Feet
M+
4. Find total area and clear Memory:
Rcl
Rcl
5. Find total Cubic Yards:
×
4
1
Inch
30' 0"
8' 0"
=
=
/
2
8' 0"
Page 14
0
25
0
Feet
Inch
20
0
Feet
Inch
600
SQ Feet
M+ 600
M
SQ Feet
5
M
Feet
40.
M
SQ Feet
M+ 40.
M
SQ Feet
8
M
Feet
64.
M
SQ Feet
M+ 64.
M
SQ Feet
M+ 704
M
SQ Feet
9.777778
CU YD
Cont'd on Page 15
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