From Wiki

Hewlett Packard Machine Design Pac (00041-14010)

• Type: Optional Calculator Accessory
• Size: 1 x 1 inch / 2.5 x 2.5 cm
• Serial number: none
• Date of Manufacture: December 1982

From the manual: The Machine Design Pac is a collection of programs for mechanical engineers involved in design or analysis. Topics include cams, gears, linkages, springs, mechanical motions and machine geometries. Says it all.

Functions:

• "CAM" Circular Cam application
• "HAR" ("CAM") Specifies a harmonic cam profile
• "CYC" ("CAM") Specifies a cycloidal cam profile
• "PAR" ("CAM") Specifies a parabolic cam profile
• "DWELL" ("CAM") Specifies a dwell cam profile
• "GEN4BAR" Four Bar Linkage generator
• "4BAR" Four Bar Linkage analysis application
• "CRANK" Slider-crank analysis application
• "GEAR" Gear force analysis application
• "SPUR" External involute spur gear analysis application
• "INV" (support routine)
• "SPRING" Helical spring design application
• "MOTION" Forced oscillator application
• "COORD" Coordinate transformation application
• "POINTS" Calculates points on a circle
• "3POINTS" Derives circle position and radius from three points
• FCON Unit conversion (forward)
• BCON Unit conversion (backward)
• "INI" (support routine)
• "*?" (support routine)
• "*IN" (support routine)
• "+360" (support routine)
• "*OUT" (support routine)
• "KEY" (support routine)

Back to Hewlett Packard HP-41CX