The student uses correct mathematical notation, symbols, and terminology consistently throughout the IA, clearly stating formulas for linear regression and exponential models. Computer-generated notation is appropriately included, with clear indications of the software used for calculations. However, the student fails to define key terms when first introduced, such as Bitcoin price fluctuations, which could help clarify the context for readers. While the main concepts are described in the introduction, the student does not adequately explain all mathematical calculations or the data presented, nor do they state the degree of accuracy for rounded values. Despite these shortcomings, the student effectively employs various forms of mathematical representation and adheres to a deductive method, ensuring that results are rounded only at the end of calculations and that all graphs, tables, and diagrams are properly labeled.