Several programs are presented which compute resultant vectors for cross-bedding data measurements (direction of movement data) and pebble orientation measurements (line of movement data), as well as programs to convert x-ray diffraction data form 2Theta to d-values (A) and grain size measurements from mm to phi and phi to mm. These programs are written for one of the new generation of programmable calculators, which are highly versatile and relatively inexpensive.

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