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0 pointsfieryskiff224y ago0 comments

Quick check on the arithmetic?

With continuous compounding, 1/2 = (1-2.6%)^n = 0.974^n n = log(1/2) / log(0.974) = 26.3 y

Same answer on a Deci-Lon.

With annual compounding, HP-12c gives 27y

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zoshi4y ago

I said 50% not 100% :) At 2.5% in 16 years $100 is $148.45

j / k navigate · click thread line to collapse

0 pointsfieryskiff224y ago0 comments

Quick check on the arithmetic?

With continuous compounding, 1/2 = (1-2.6%)^n = 0.974^n n = log(1/2) / log(0.974) = 26.3 y

Same answer on a Deci-Lon.

With annual compounding, HP-12c gives 27y

zoshi4y ago

I said 50% not 100% :) At 2.5% in 16 years $100 is $148.45

j / k navigate · click thread line to collapse