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==Slow division methods==
Slow division methods are all based on a standard recurrence equation
:<math>R_{j+1} = B \times R_j - q_{n-(j+1)}\times D ,</math>
where:
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===Restoring division===
Restoring division operates on [[fixed point arithmetic|fixed-point]] fractional numbers and depends on the assumption 0 < ''D'' < ''N''.
The quotient digits ''q'' are formed from the digit set {0,1}.
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