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32
vi. Project : Lumber Estimation
Express certain volume of boards in board feet, where,
1 board feet = 144 cubic inches
Key
Display
Example: Find the number of board feet for six
1” x 2” x 25’ boards.
[ON/C]
0.
1[Inch][X]2[Inch] 600.
[X]25[Feet][=]
CU INCH
[Shift][Bd Feet]
4.17
BD FEET
[X]6[=]
25.
BD FEET
Example : Find the volume of boards equivalent to 20 Bd
Feet.
20[Shift][Bd Feet]
1.67
CU FEET
[Shift][Bd Feet]
20.00
BD FEET
vii) Project : Studs
Find the number of studs required for a wall or find wall
distance when number of studs is given.
Key
Display
Example: Find the number of 16” on-center studs
required for a 12’ 6” wall.
[ON/C]
0.
12[Feet]6[Inch]
12 6
FEET INCH
[Shift][Studs]
11.
ST
[Shift][Studs]
12 6
FEET INCH
Example: What will be wall distance if five studs are needed?
5[Shift][Studs]
5 4
FEET INCH
[Shift][Studs]
5.
ST
viii. Project: Roofing
Find how many bundles of roof shingles are needed for a
given roof area or find size of roof covered given number
of roof bundles.
Key
Display
Example: Find the number of bundles of roof shingles
needed to cover a 12’ X 15’ section of roof.
[ON/C]
0.
12[Feet][X]15[Feet][=]
180.
SQ FEET
[Shift][Roof Bundle]
5.40 rF
bn
[Shift][Roof Bundle]
180.00
SQ FEET
Example: Find the area of the roof if 20 bundles of roof
shingles are needed.
20[Shift][Roof Bundle]
666.67
SQ FEET
ix) Project : Drywall (Number of 4’ X 8’ Sheets)
Find the number of 4’ x 8’ sheets required for a wall or wall
area given number of 4’ x 8’ sheets.
Key
Display
Example: Find the number of 4’x 8’ drywall sheets
needed for a wall measuring 8’ x 12’.
[ON/C]
0.
8[Feet][X]12[Feet][=]
96.
SQ FEET
[Shift][4X8 Sheet]
3.00 Sh
