waldorf-ict Integer
Integer types are the archetypes of all types. Every type achieves a wide range of concepts and data management mechanisms by extending or combining the meaning of integer types.
waldorf-ict 
waldorf-ict Floating-point type
Combining multiple integer types allows for representing a wider range of numerical values. This is the floating-point type.Learning this type reveals how people manipulate numbers within their own thinking. Furthermore, it also shows how people approach the world through their methods of perception.
waldorf-ict Character type and String type
Character types are an extremely important mechanism that provides computers with an interface to humans through natural language. However, the principle itself is very simple.
waldorf-ict Arrays
By linking it to spreadsheet programs, students will gain a vivid understanding of the nature of arrays. At the same time, students will understand how information on the array is manipulated behind the scenes in spreadsheet programs and projected onto the screen. This approach to learning is the very essence of learning data models.