The classic API provides various mathematical data types and mathematical functions:

• Primitive Data Types Manual (Classic)
• Mathematical Functions Manual (Classic)
• Vector Manual (Classic)
• Matrix Manual (Classic)

More advanced data types of the classic API are:

• String Manual (Classic)
• Filename Manual
• BaseLink Manual
• BaseTime 手册

Custom data types of the classic API are created using iCustomDataType and CustomDataTypeClass .