Basic Arithmetic

This book is designed for students or anyone who wants to brush up on their basic mathematical skills
This book is suitable for upper primary school students, lower secondary school students, enthusiasts, or anyone who wishes to improve their foundational mathematics skills. The author has made every effort to thoroughly check for errors, but it is still possible that some may exist. The author apologizes for any errors that may be present. Additionally, this book includes an index, allowing readers to easily find topics they wish to study.