Not user friendly No unit conversion or clear explanation of use. Materials are not explained (how to identify the type of wood or grade of bolt). Design factors are not described.
Fixed issue with wood screw analysis.
My Civil CalC is a utility App that helps you with calculations and conversions.
AWC Span Calc determines joist and rafter spans for common loading conditions.
Calculate building heights & areas for occupancies and fire protection per IBC.
Calculates insulation in various wall assemblies to achieve opaque wall U-factor