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Month: August 2022

Is opal good for jewelry?

Is opal good for jewelry? Opals have two significant weaknesses as jewelry stones: a low Mohs hardness and significant water content. This results in a “Poor” grade. Opals have a relatively low Mohs hardness of 5.5 to 6.5. This means Read more…

How do I Runge-Kutta in Excel?

How do I Runge-Kutta in Excel? Using Excel to Implement Runge Kutta method : Scalar Case Input the initial condition and the time increment. Next, calculate the four intermediate d’s. Calculate the new values of y, Copy the formulas until Read more…