Calculated Industries 4215 - Manual (Page 21)

Subtracting Dimensions
Subtract 3 feet from 11 feet 7-1/2 inches:
11 [Feet] 7 [Inch] 1 [/] 2
[–] 3 [Feet] =]
8 FT 7-1/2 IN
Subtract 32 inches from 81 inches:
81 [Inch] [–] 32 [Inch] [=]
49 IN
Multiplying Dimensions
Multiply 5 feet 3 inches by 11 feet 6-1/2 inches:
5 [Feet] 3 [Inch] [x]
11 [Feet] 6 [Inch] 1 [/] 2
[=]
60.59375 SQ FT
Multiply 2 feet 7 inches by 10 :
2 [Feet] 7 [Inch] [x] 10 [=]
25 FT 10 IN
Dividing Dimensions
Divide 30 feet 4 inches by 7 inches:
30 [Feet] 4 [Inch] [÷] 7 [Inch] [=]
52.
Divide 20 feet 3 inches by 9:
20 [Feet] 3 [Inch] [÷] 9 [=]
2 FT 3 IN
User’s Guide – 21