Comment Comment by fieryskiff22 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 ySame answer on a Deci-Lon.With annual compounding, HP-12c gives 27y parent fieryskiff22 5 years ago
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