Calculated Industries 4225-C - Manual (Page 34)

P OCKET R EFERENCE G UIDE — 31
Masonry — Estimating Bricks
How many standard bricks (2-1/4 x 8 Inch)
are needed for a wall measuring 36 Feet 6
Inches long and 8 Feet high?
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter brick Area:
2 i 1 / 4 x 8 i =
T B
B
-
AR
18.
SQ INCH
3. Multiply wall Length times Height:
3 6 f 6 i 36
FEET
6
INCH
x 8 f = 292.
SQ FEET
4. Find number of bricks:
B (Bricks)
BLKS
2336.
POLYGON (Equal-Sided)
Find the full angle, bi-sect angle, side
Length, perimeter and Area of a pentagon-
shaped patio to be paved with bricks. The
radius is 7 Feet 5 Inches and the number
of sides is five:
KEYSTROKE DISPLAY
1. Clear calculator:
o o 0.
2. Enter radius:
7 f 5 i Ç A
RAD
7
FEET
5
INCH
3. Enter polygon sides and calculate:
5 Ç l
FULL
108.00°
l
HALF
54.00°
l
SIDE
8
FEET
8-5/8
INCH
l
PER
43
FEET
7-1/8
INCH
l
AREA
130.7868
SQ FEET
STORED