The standard deviation of the portfolio on Ba II Plus

Hey everyone
I’m studying the Quant part and everything is going smoothly with me except for the calculation of a portfolio standard deviation on my Ba II Plus calculator, I can memory the formula but I can’t apply it on the this calculator I’m used on the Casio scientific calculator which was much easier to apply. Is there any trick on the BA II calculator I’m not aware of ?

No quick tricks. I would recommend calculating each of the three terms and saving each using the STO function then sum the three using the RCL function, then find the square root.

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