Bing found the following results
  1. Arithmetic evaluation - Rosetta Code

  2. Tree Traversal Techniques - Data Structure and Algorithm Tutorials …

  3. Scheme Infix Expression Evaluation for Students | Course Hero

  4. Problem 10966 - National Tsing Hua University

  5. Three address code in Compiler - GeeksforGeeks

  6. Problem 10968 - National Tsing Hua University

  7. Appendix A: Operator Precedence in Java - Princeton University

  8. Chapter 6 Functions | Advanced R Exercises

  9. Kotlin Infix Function Calls - Tutcoach

  10. Teach Yourself Scheme in Fixnum Days - GitHub Pages