a jigsaw puzzle and programming it is just a matter of getting the right pieces in the right places

an algorithm--a logical sequence of operations or tasks to get something done

an algorithm for manipulating binary number digits

an algorithm that must be written down in order, in a specific syntax, in a strange language that is only partially readable by regular human beings

an algorithm written for a computer in a special programming language

an expression of an algorithm in a programming language

(86) - indicates the presence of a written computer program. For materials about computer programs, see CINAHL subject heading: SOFTWARE or specifics.