Introduction To a certain extent, numerical methods can be used to find an acceptable value based on convergence criteria. To this end, it is proposed that the Cartesian geometry can be used on a three-dimensional Euclidean space to represent the blurred net present value (NPV) and to calculate the Financial Internal Rate of Return (FIRR). Since NPV is a fuzzy variable, the FIRR is expectedly set to the discount rate of the value that is zero for each number. The power of Net Present Value Estimation Simulation methods can be used to estimate the net present value (NPV) of a mineral deposit. The lower and upper limits of the NPV indicate the probability distribution. The NPV obtained from the distribution is the result of the simulation, and the decision-maker decides on the probability of success of the mining projects. The probability distribution of the NPV of each repository is estimated from the results of each iteration. The cash flow for each project is monitored in ...
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