Text this: A NUMERICAL SOLUTION OF A HELMHOLTZ EQUATION USING BOUNDARY ELEMENTS

 _____      ______   ______      ___     _    _   
|  __ \\   /_   _// |      \\   / _ \\  | |  | || 
| |  \ ||   -| ||-  |  --  //  | / \ || | |/\| || 
| |__/ ||   _| ||_  |  --  \\  | \_/ || |  /\  || 
|_____//   /_____// |______//   \___//  |_// \_|| 
 -----`    `-----`  `------`    `---`   `-`   `-`