Stair Tangent for iPhone

Example calculated output from StairTangent for Angled Stair Stringers

StairTangent
Angled Stair Stringers
Number of Risers  10
Number of Treads  9
Total Height of Stairs  70  ''in
Riser Height  7  ''in
Tread Width  10  ''in
Stringer Offset 30 ''in

Stringer #1    
Tread Run  10  ''in
Throat Depth  6 1/8''in
Slope Angle  34.99202°
Riser-Tread Diagonal  12 3/16''in
Total Stringer Diagonal  109 7/8''in

Stringer #1 Cumulative Diagonals    
Tread #1  12 3/16''in
Tread #2  24 7/16''in
Tread #3  36 5/8''in
Tread #4  48 13/16''in
Tread #5  61 1/16''in
Tread #6  73 1/4''in
Tread #7  85 7/16''in
Tread #8  97 5/8''in
Tread #9  109 7/8''in

Stringer #2  
Tread Run  10 9/16''in
Stringer Throat Depth  6 1/16''in
Slope Angle  33.58727°
Stringer Bevel Angle  18.43495°
Riser-Tread Diagonal  12 5/8''in
Total Stringer Diagonal  113 7/8''in

Stringer #2 Cumulative Diagonals  
Tread #1  12 5/8''in
Tread #2  25 5/16''in
Tread #3  37 15/16''in
Tread #4  50 5/8''in
Tread #5  63 1/4''in
Tread #6  75 15/16''in
Tread #7  88 9/16''in
Tread #8  101 1/4''in
Tread #9  113 7/8''in


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