Hand held pipe bending calculator

Hand-holdable laser system computer

Heat stress calculator

Human reproduction indexing device

Lead calculator

Lead calculator for moving targets

Machinery shaft alignment calculator

Mechanical astrological calculating device

Mechanical model and counter method and apparatus

Method and apparatus for determining recording time available on

Method and apparatus for plotting boat's position to rhumb line

Method and arrangement for operating a multistage counter in...

Multifunctional instrument for determining the position and cour

Navigational and yacht racing calculator

Overlap distance indicating device

Part load calculator

Pattern and threshold speed calculator

Percent calculator

Putting stroke calculator

Race computer