PREFACE 



This report provides coastal engineers a second series of algorithms for 

 a number of hand-held calculator programs for coastal engineering, primarily 

 in the area of wave transformations and wave generation. These algorithms 

 were developed under the U.S. Army Coastal Engineering Research Center's 

 (CERC) Littoral Data Collection Methods and Their Engineering Application 

 work unit. Shore Protection and Restoration Program, Coastal Engineering Area 

 of Civil Works Research and Development. 



The report was prepared by Dr. Todd L. Walton, Jr., Hydraulic Engineer, 

 under the general supervision of Dr. J.R. Weggel, Chief, Evaluation Branch, 

 and Mr. N. Parker, Chief, Engineering Development Division. 



The author acknowledges the assistance of J. Dean in preparing the manu- 

 script. The review by Dr. J.R. Weggel is appreciated. 



Technical Director of CERC was Dr. Robert W. Whalin, P.E., upon publica- 

 tion of this report. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79th Congress, 

 approved 31 July 1945, as supplemented by Public Law 172, 88th Congress, 

 approved 7 November 1963. 



A 



TED E. BISHOP 



Colonel, Corps of Engineers 



Commander and Director 



