The student consistently and correctly uses correct mathematical notation, symbols, and terminology. Key terms/variables are defined and explained when first introduced, and additional terms are defined in detail in appropriate places. The main concepts are described in the introduction, and multiple forms of mathematical representation are present but used only if appropriate. The degree of accuracy is stated for any rounded values, and results are rounded only at the end of the calculations thread. The student used a deductive method and set out logical proofs where appropriate. The graphs, tables, and diagrams are labeled at the bottom.