Degree of Pitch, 86
Dividing Dimensions, 29
Dividing Offset into Multiple Degreed Elbows for Manageable Sections, 51
D:M:S EXAMPLE, 45
ENTERING DIMENSIONS, 25
Entering Linear Dimensions, 25
Entering Square/Cubic Dimensions, 25
EXAMPLES — USING THE SHEET METAL/HVAC PRO, 33
Fan Law 1, 75
Fan Law 2, 76
Fan Law 3, 77
FAN
LAW
EXAMPLES,
75
FAN
LAW
FORMULAS
(APPENDIX
E),
106
FAN
LAW
KEYS,
14
FEET-INCH-FRACTION
and
METRIC
KEYS,
8
Field
Measuring
for
Ductwork
Using
the
Law
of
Cosines
Introduction,
55
Finding
“Angle
A”
(ArcSin,
ArcCos,
ArcTan),
41
Finding
Length
(of
Iron)
Required,
35
Finding
Sine,
Cosine,
Tangent,
41
GETTING
STARTED,
21
HIP/VALLEY
and
JACK
RAFTER
KEYS,
17
How
to
Set
Preferences,
110
Inline
Duct,
Double
Offset
(Computing
Offset,
Length,
and
Angle),
62
Inline
Duct,
Single
Offset
(Computing
Offset,
Length,
and
Angle),
60
Irregular
Hip/Valley
and
Jack
Rafters
—
Descending,
with
On-Center
Spacing
Maintained,
92
Jack
Rafters
—
Using
Other
Than
16
Inch
On-Center
Spacing,
91
KEY
DEFINITIONS,
6
LAW
OF
COSINES
EXAMPLES,
55
LAW
OF
COSINES/HERON’S
THEOREM
FORMULAS
(APPENDIX
D),
105
LAW
OF
COSINES/NON-90
DEGREE
TRIANGLE
KEYS,
12
Linear
Conversions,
27
MEMORY
and
STORAGE
FUNCTIONS,
7
MEMORY
OPERATION,
31
Multiplying
Dimensions,
29
Non-90
Degree
Triangle
Measurement
Using
Law
of
Cosines
and
Heron’s
Theorem,
56
Objects
at
Right
Angles,
65
Offset,
Basic
Example,
48
OFFSET
EXAMPLES,
48
OFFSET
FORMULAS
(APPENDIX
C),
104
OFFSET
KEYS,
13
OGEE
Offset
in
Feet-Inches-Fractions,
49
OGEE
Offset,
in
Millimeters,
50
ORDER
OF
OPERATIONS,
21
Percentage
Calculations,
30
Percent
Grade,
86
PERFORMING
BASIC
MATH
WITH
DIMENSIONS,
29
PREFERENCE
SETTINGS
(APPENDIX
G),
107
PYTHAGOREAN
THEOREM/RIGHT
TRIANGLE
KEYS,
10
RECALL
®
KEY,
8
Regular
Hip/Valley
and
Jack
Rafters,
89
REPAIR
AND
RETURN,
116
Replacing
the
Battery(ies),
115
120
—
S
HEET
M
ETAL
/HVAC
P
RO
C
ALC