Calculated Industries Construction Master plus EZ 4067 User Manual page 19

Weight per Volume Conversions
Find the weight of 15 cubic yards of gravel. The gravel weighs 1.75 tons
per cubic Yard.
Note: The default weight conversion is 1.5 tons per cubic yard.
1. Enter the weight per cubic yard:
1.75C5
2. Enter the volume of gravel and find the weight:
15yyyC6
3. Find the weight in metric tons and pounds:
C3
C4
Calculating Percentages
The key can be used for finding a given percent of a number or for
%
working add-on, discount or division percentage calculations. It can be
used with any type of number, in any dimension (Feet, Inch, millimeter, etc.)
and any type of convention (non-dimensioned, linear, square or cubic).
Find 18% of 50 Feet:
OO
50fx18%
Take 20% from 17 Feet 6 Inches:
17f6i-20%
BASIC MATH OPERATIONS
Adding and Subtracting Dimensions
Add the following measurements:
• 6 Feet 2-1/2 Inches
• 11 Feet 5-1/4 Inches
• 18.25 Inches
Then subtract 2-1/8 Inches.
6f2i1/2+
11f5i1/4+
18.25i=
-2i1/8=
Multiplying Dimensions
Multiply 5 Feet 3 Inches by 11 Feet 6-1/2 Inches:
5f3ix
11f6i1/2=
Multiply 2 Feet 7 Inches by 10:
2f7ix10=
Dividing Dimensions
Divide 30 Feet 4 Inches by 7 Inches:
30f4i÷7i=
Divide 20 Feet 3 Inches by 9:
20f3i÷9=
APPENDIX C – ACCURACY/ERRORS, AUTO
SHUT-OFF, BATTERIES, RESET
Error Codes
OVERFLOW
MATH ERROR
1.75 TONS/CU. YARD
DIMENSION ERROR
ENTRY ERROR
26.25 TON
Auto Shut-Off
23.813599 MTON
Your calculator is designed to shut off after about 4 minutes of non-use.
52500 LBS.
Battery
The Construction Master Plus EZ uses one CR2025
(included). This should last approximately 800 hours of
actual use. Should your calculator display become very
dim or erratic, replace the battery.
Note: Please use caution when disposing of your old battery, as it
contains hazardous chemicals. Replacement batteries are available
at most discount or electronics stores. You may also call Calculated
0.
Industries at 1-775-885-4900.
9 FEET 0 INCH
Battery Replacement Instructions
14 FEET 0 INCH
While the calculator is off, turn the calculator over and use a
#1 Phillips screwdriver to remove the battery holder screw located near
the center at the top. With the screw removed, pull battery holder out,
remove old battery, and slide new battery into holder. The negative side of
the battery should be facing you as you insert the battery holder into the
calculator. Replace screw using a #1 Phillips screwdriver.
Reset
If your calculator should ever "lock up," insert the tip of a paperclip or a
small diameter wire into the small Reset hole above the
6 FEET 2-1/2 INCH
REPAIR AND RETURN
17 FEET 7-3/4 INCH
Return Guidelines
19 FEET 2 INCH
1. Please read the Warranty in this User's Guide to determine if your Calcu-
18 FEET 11-7/8 INCH
lated Industries product remains under warranty before calling or return-
ing any device for evaluation or repairs.
2. If your product won't turn on, check the battery as outlined in the User's
Guide.
5 FEET 3 INCH
3. If you need more assistance, please go to the website listed below.
60.59375 SQ FEET
4. If you believe you need to return your product, please call a Calculated
Industries representative from 7 a.m. to 4 p.m. Pacific Time for additional
information and a Return Authorization (RA).
25 FEET 10 INCH
wARRANTY
Calculated Industries ("CI") warrants this product against defects in
52.
materials and workmanship for a period of one (1) year from the date
of original consumer purchase in the U.S. If a defect exists during
the warranty period, CI at its option will either repair (using new or
2 FEET 3 INCH
remanufactured parts) or replace (with a new or remanufactured calculator)
the product at no charge.
C M P
onstruCtion aster
19
Call Toll Free: 1-800-854-8075
Outside USA: 775-885-4900
www.calculated.com/warranty
eZ
lus
Overflow (too large)
Divide by 0
Dimension error
Invalid entry error
key.
o