Calculated Industries 4090 - Manual (Page 30)

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PERFORMING BASIC MATH WITH DIMENSIONS
Adding Dimensions
KEYSTROKE DISPLAY
Add 11 Inches to 2 Feet 1 Inch:
1 1 i + 2 f 1 i = 3
FEET
0
INCH
Add 5 Feet 7-1/2 Inches to 18 Feet 8 Inches:
5 f 7 i 1 / 2 + 1 8 f 8 i = 24
FEET
3-1/2
INCH
Subtracting Dimensions
KEYSTROKE DISPLAY
Subtract 3 Feet from 11 Feet 7-1/2 Inches:
1 1 f 7 i 1 / 2 – 3 f = 8
FEET
7-1/2
INCH
Subtract 32 Inches from 81 Inches:
8 1 i – 3 2 i = 49
INCH
Multiplying Dimensions
KEYSTROKE DISPLAY
Multiply 5 Feet 3 Inches by 11 Feet 6-1/2 Inches:
5 f 3 i x 1 1 f 6 i 1 / 2 = 60.59375
SQ FEET
Multiply 2 Feet 7 Inches by 10:
2 f 7 i x 1 0 = 25
FEET
10
INCH
Dividing Dimensions
KEYSTROKE DISPLAY
Divide 30 Feet 4 Inches by 7 Inches:
3 0 f 4 i ÷ 7 i = 52.
Divide 20 Feet 3 Inches by 9:
2 0 f 3 i ÷ 9 = 2
FEET
3
INCH