Share Introduce Big-O using iteration rather than recursion to make this important concept easier for students to understand. with FacebookShare Introduce Big-O using iteration rather than recursion to make this important concept easier for students to understand. with Twitter Analyzing recursive code using Big-O requires more complex computations and is more difficult to do. This makes introducing Big-O using iteration a good starting point so students can prepare for more complicated analyses. More about this tip Tags Programming Concepts Algorithms and Design External Source Interview with Helen Hu. Other Tips By Other Tips By Helen Hu