Calculated Industries 4015 - Manual (Page 31)

Concrete Columns
You’re going to pour five columns, each
of which has a diameter of 3 feet 4-1/2
inches and a height of 11 feet 6 inches.
How many cubic yards of concrete will
you need for all five columns?
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
1 — Find Surface Area of Column
Enter diameter 3 [Feet] 4 [Inch]
1 [/] 2 [Circ]
DIA 3- 4 1/2 FEET INCH
Find surface area [Circ] 8.946176 SQ FEET
2 — Find Volume
Multiply by [x] 11 [Feet]
height 6 [Inch] [=] 102.881 CU FEET
Convert to yards [Conv] [Yds] 3.810408 CU YD
Multiply by 5 columns to find total cubic yards
of concrete
[x] 5 [=] 19.05204 CU YD
Volume of a Cylinder
You want to calculate the volume of a
cylinder with a diameter of 2 feet 4
inches and a height of 4 feet 6 inches.
Steps Keystrokes Display
Clear calculator [On/C] [On/C] 0.
Enter diameter 2 [Feet] 4 [Inch] 2 FEET 4 INCH
Find circle area [Circ] [Circ] 4.276057 SQ FEET
Multiply by height [x] 4 [Feet]
6 [Inch] [=] 19.24225 CU FEET
User’s Guide – 31
4015-UG-B 4/4/03 12:29 PM Page 31