Standard Deviation of portfolio on BAII Plus

Can it be done? 2 stock and/or 3 stock portfolio

yeah the hard key punch way… w1^2*a^2 + w2^2*b^2+2*w1*w2*a*b*rho_AB do not try to do anything else…

was hopng there was some trick in 2nd data and/or 2nd stat