Automatic tax calculating devices

Details Automatic tax calculating devices Automatic tax calculating devices

G - Physics

06

F

354/33, 235/5

G06F 7/38 (2006.01) G07G 1/12 (2006.01)

Patent

CA 1042104

ABSTRACT OF THE DISCLOSURE An automatic tax calculating apparatus comprising a tax amount data memorizing unit for memorizing tax amounts of an unproportional portion "a" and tax amounts of a proportional portion "b" of the lowest range, a WT memorizing unit for memori- zing a proportional portion repeated money amount W and a step number T of said proportional portion "b", a register for memorizing a taxable money amount a, a register for memorizing a maximum money amount of A of an unproportional portion, a register for storing a repeated number N of the proportional portion repeated money amount W by storing the result of a calculation of a-A, a register for memorizing a product E of said repeated number N and said step number T, and a cal- culating unit for calculating said product and for retrieving from said tax amount data memorizing unit a money amount obtained by subtracting a product of said proportional portion repeated money amount W and said repeated number N from said taxable money amount and for calculating a required tax amount by adding said tax amount and a product E of said repeated number N and said step number T.

206495

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