The 300+ pages HTBasic Training manual with it's 27 chapters is helpful not only for novices but also for experienced users of HTBasic.
The manual provides the following chapters:
Introduction to the Programming Language
Programming and Problem Solving
The HT-Basic Editor
Data Types and Numeric Computations
Program Structure and Flow
Advanced Array Operations
Subroutines, Subprograms, CSUBs and Functions
Data Storage and Retrieval
A Closer Look at Files
DLL Toolkit example
Click here to read the first 14 pages of the training manual (pdf format).