A5 Formulas
A7 Formulas
A8 Formulas
A9 Formulas
C1 Formulas
C2 Formulas
C5 Formulas
DD Formulas
HC Formulas
P1 Formulas
P2 Formulas
P3 Formulas
P4 Formulas
P4BV Formulas
P5 Formulas
P5BV Formulas
P6 Formulas
Q1 Formulas
Q2 Formulas
Q3 Formulas
Q4 Formulas
R1 Formulas
R2 Formulas
R3 Formulas
R4 Formulas
R5 Formulas
R6B Formulas
R6P Formulas
R6BBV Formulas
R6PBV Formulas
R7 Formulas
R7BV Formulas
SS Formulas
VC Formulas
VP Formulas
Deck Angle Equations
Sum of Angles Equations
Projected Square Cut Angle Formulas
Deck Angle exceeds 90 Degrees Formulas
Base to Peak (Eave to Ridge) Relationships
Equations expressed in terms of SS and DD
Formulas derived from Vector Products
Formulas derived from Vector Products
Formulas derived from Vector Products
Formulas derived from Vector Products
Formulas derived from Vector Products
Square Tail Fascia intersects Hip Rafter Foot Equations
Layover Adjoining Roof intersects Main Roof: General Case Formulas from first principles
Layover Purlin intersects Main Roof Equations derived from Compound Angle Formulas
Layover Rafter intersects Main Roof and Rafter intersects sloped Wall Equations derived from Compound Angle Formulas
Convergent Joint Angle Formulas
Compound Angle Formulas
Compound Angle: Trigonometric Solution of Dihedral Angle
Compound Angle: Vector Solution of Dihedral Angle
Compound Angle: Angle measured on the End Grain
Diagram of Trapezoidal Section Angles
Trapezoidal Section Angle Formulas
Trapezoidal Section Angle Formulas
Trapezoidal Section Angle Formulas
Diagram of Transition Angle: Terminal Points
Equal Length Transition Angle Formulas

Joe Bartok 2006 1