Expressing the price evaluation technical criteria of a used CNC machine as a mathematical formula would involve similar principles as in the previous response. The formula could be represented as follows:

Price = (w1 x C1) + (w2 x C2) + (w3 x C3) + … + (wn x Cn)

where:

• Price is the estimated price of the used CNC machine.
• w1, w2, w3, …, wn are the weights or coefficients assigned to each technical criterion (e.g., machine condition, age, brand reputation, etc.).
• C1, C2, C3, …, Cn are the values or ratings of each technical criterion, which represent the performance or characteristic of the used CNC machine for that particular criterion.

Similar to the previous response, the weights or coefficients (w1, w2, w3, …, wn) would represent the relative importance or priority of each technical criterion in the price evaluation process. These weights can be assigned based on the specific requirements, preferences, and priorities of the buyer or the industry standards. For example, if machine condition is considered to be more important than age, a higher weight would be assigned to machine condition (e.g., w1 = 0.5, w2 = 0.3, w3 = 0.2).

The values or ratings (C1, C2, C3, …, Cn) would be assigned based on the characteristics or performance of the used CNC machine for each technical criterion. These values can be obtained through thorough inspection, evaluation, or assessment of the machine’s condition, age, brand reputation, and other relevant factors. For example, machine condition could be rated on a scale of 1 to 10, with 10 being excellent condition and 1 being poor condition, and similarly, age could be rated on a scale of 1 to 10, with 10 being the youngest and 1 being the oldest machine.

Once the weights and values are assigned, the formula can be used to calculate the estimated price of the used CNC machine by plugging in the respective values and performing the arithmetic operations. The resulting price would be an aggregate value that represents the overall price evaluation of the used CNC machine based on the selected technical criteria and their assigned weights. It’s important to note that the actual price of a used CNC machine may also be influenced by other factors such as market demand, negotiation, and other economic or market conditions.