How do you calculate double-declining-balance with crossover to straight-line using the depreciation worksheet on the TI BA 2 Plus? For example, equipment cost: $1,000,000; useful estimated life: 8 years; estimated residual value: $50,000; half-year convention. All values the worksheet gives are correct for computing straight line, as well as all the years for ddb except for years 7-9 (depreciation of $63,056.64 for years 7 & 8, and $31,528.32 for year 9, but all should be $52,547.20). It uses the remaining balance after year 6 without subtracting the salvage value, so you have to exit the worksheet and compute these manually. Is there anyway to make the calculator compute this correctly, so the extra step (and potential mistakes) can be avoided?