Calculated Industries Construction Master III User Manual page 22

Calculating the Number
of Studs/Joists/Trusses
Find the number of 16 inch on-center (o.c.)
studs needed for a 18 feet 7-1/2 inch wall.
COMMENTS
Clear calculator
Enter length of wall
Divide by o.c. distance [÷] 16 [Inch] [=]
Add one for each end
Similar uses apply to trusses and joists.
Masonry — Estimating Bricks
How many standard bricks (2-1/4" x 3-3/4" x
8") with 1/2 inch joints are required for a wall
measuring 36 feet 6 inches long and 8 feet high?
COMMENTS
Clear calculator
Enter height of wall
Divide by brick height
Number high
Store in Memory
Enter length of wall
Divide by brick length
Number wide
Mult. for total bricks
Add 5% for spoilage
Answer: 1888.787 (inc. 5% spoilage)
* Be sure to clear Memory before proceeding to next
problem. [Rcl] [Rcl] was used here (instead of [Rcl] [M+])
as it automatically recalls and clears the value in the
Memory.
22 — Construction Master III
KEYSTROKES
[On/C] [On/C]
18 [Feet]
7 [Inch] 1 [/] 2
Answer: 13.96875 studs
[+] 1 [=]
Answer: 14.96875 (round to 15)
KEYSTROKES
[On/C] [On/C]
8 [Feet]
[÷] 2 [Inch] 3 [/] 4 [=]
34.90909
[M+]
36 [Feet] 6 [Inch]
[÷] 8 [Inch] 1 [/] 2 [=]
51.52941
[x] [Rcl] [Rcl]* [=]
Answer: 1798.845
[+] 5 [%]
®