Designed for sighted, blind, or visually impaired individuals, it contains tactile writing according to the Braille system, for the introductory study of: Inclusive education. Mathematics. Metrology. Significant figures and uncertainties, inclusion. Measurement. Significant figures. Measurement errors. Gross error. Systematic error. Accidental error. Deviation. Percentage relative error. Numbers. Mathematical operations with integers using the abacus. The number system. Mathematical operations using the abacus. The addition operation with integers. The subtraction operation, etc.
Metrology. Mathematics. Development of logical reasoning. Numbers. Number system. Operations: addition, subtraction, multiplication, and division.