Stair Tangent for iPhone

Example calculated output from StairTangent for 45° Degree Flared Stair Stringers

StairTangent
45 Degree Flared Stair Stringers
Number of Risers  4
Number of Treads  3
Riser Height  7  ''in
Tread Width  11  ''in
Dimension X1  13 11/16''in
Dimension X2  46 11/16''in

Stringer #1    
Tread Run  11  ''in
Throat Depth  5 15/16''in
Slope Angle  32.47119°
Riser-Tread Diagonal  13 1/16''in
Total Stringer Diagonal  39 1/8''in

Stringer #1 Cumulative Diagonals    
Tread #1  13 1/16''in
Tread #2  26 1/16''in
Tread #3  39 1/8''in

Stringer #2  
Tread Run  11 15/16''in
Stringer Throat Depth  5 13/16''in
Slope Angle  30.45226°
Riser-Tread Diagonal  13 13/16''in
Total Stringer Diagonal  41 7/16''in

Stringer #2 Cumulative Diagonals  
Tread #1  13 13/16''in
Tread #2  27 5/8''in
Tread #3  41 7/16''in

Stringer #3  
Tread Run  15 9/16''in
Stringer Throat Depth  5 1/2''in
Slope Angle  24.22665°
Riser-Tread Diagonal  17 1/16''in
Total Stringer Diagonal  51 3/16''in

Stringer #3 Cumulative Diagonals  
Tread #1  17 1/16''in
Tread #2  34 1/8''in
Tread #3  51 3/16''in


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