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Parallel and perpendicular lines on a plane

This online calculator checks lines' slopes to see if they are parallel or perpendicular

Parallel and Perpendicular LinesCreative Commons Attribution/Share-Alike License 3.0 (Unported)
  • PBX channel number calculation

    Calculates number of PBX telecommunications channels for given traffic load using Erlang B and Engset algorithms

  • Polygon area

    Online calculator which calculates area of a polygon given lengths of polygon sides and diagonals which split polygon to nonoverlapping triangles

  • Power into Torque and vise versa

    This online calculator turns power into torque and vise versa

  • Power to the People

    Power units converter.

  • Pressure over a surface

    This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure

Pipe cold bending. Flexure depth with main shaft.

Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.

Segment (defined by chord and height)Creative Commons Attribution/Share-Alike License 3.0 (Unported)
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