- About these books
- About the Author

## Jeffrey Yang

**Jeffrey Yang**graduated from Sydney Boys High School in 2017 with an ATAR of 98.85, practically acing Mathematics Extension 1 and Mathematics Extension 2 with

**HSC marks of 99**in both subjects. He has since tutored HSC Mathematics Extension 1 and Extension 2 at the highly reputed Ninety Plus Education Centre, as well as HSC Mathematics Advanced. Jeffrey is currently completing his Bachelor of Science and Computer Science at the University of New South Wales, majoring in Pure Mathematics and Artificial Intelligence. Jeffrey's talent at decoding (pardon the pun) the difficult concepts in Mathematics Extension 1 is very clear from his extremely high quality detailed solutions to the Mathematics Extension 1 problems.

- Single Volumes
- HSC Biology Topic Tests
- HSC Biology Trial Exams
- HSC Chemistry Topic Tests
- HSC Chemistry Trial Exams
- HSC Mathematics Advanced Topic Tests
- HSC Mathematics Advanced Trial Exams
- HSC Mathematics 3 Unit Topic Tests
- HSC Mathematics 3 Unit Trial Exams
- HSC Mathematics 4 Unit Topic Tests
- HSC Mathematics 4 Unit Trial Exams
- HSC Mathematics Extension 1

- Single Volumes
- HSC Biology Topic Tests
- HSC Biology Trial Exams
- HSC Chemistry Topic Tests
- HSC Chemistry Trial Exams
- HSC Mathematics Advanced Topic Tests
- HSC Mathematics Advanced Trial Exams
- HSC Mathematics 3 Unit Topic Tests
- HSC Mathematics 3 Unit Trial Exams
- HSC Mathematics 4 Unit Topic Tests
- HSC Mathematics 4 Unit Trial Exams
- HSC Mathematics Extension 1