© 2022 Johnson Level & Tool — 14
EXAMPLES
SQUARE AREA
Find the area of a square room with sides measuring 15
Feet 8-1/2 Inches .
KEYSTROKE DISPLAY
0
15 FEET 8-1/2 INCH
(x
2
)
246.7517 SQ FEET
SQUARE ROOT
What is the Square Root of 300?
KEYSTROKE DISPLAY
0
(
√ x)
17.32051
ENTERING SQUARE AND CUBIC
AND ADDING A WASTE ALLOWANCE
Add a 10% waste allowance to 20 Square Feet . Then add a
20% waste allowance to 150 Cubic Feet:
KEYSTROKE DISPLAY
0
22 SQ FEET
180 CU FEET
On/C
On/C
On/C
On/C
On/C
On/C
0
0
0
5
3
2
5
1
1
2
0
0
1
8
•
0
1
2
Feet
Feet
Feet
Feet Feet
Conv
Feet
Conv %
Inch
+
+
%
%
/
