2.1   Example of radix-4 conversion.
    2.2   Values of p in the rounding step.
    2.3   Selection function for radix-4 division.
    2.4   Example of radix-4 division.
    2.5   Example of radix-512 division.
    3.1   Selection function for radix-4 division.
    3.2   Retiming does not increase number of cycles.
    3.3   Modified algorithm.
    3.4   Example of radix-4 modified conversion.
    3.5   Example of radix-8 recoding.
    4.1   Energy consumption per division for radix-4. 
    4.2   Radix-8: summary selection function.
    4.3   Selection function for radix-8 and a = 7.
    4.4   Energy-per-division for radix-8.
    4.5   Area comparison.
    4.6   Critical path through qL and qH.
    4.7   Bit arrangement in two-level adders.
    4.8   Paths in MSBs and LSBs in the recurrence.
    4.9   Energy-per-division for radix-16.
    4.10   Operations and signal values in retimed unit.
    4.11   Energy-per-division for radix-512.
    4.12   DSMUX operations.
    4.13   Bits of A used in SEL.
    4.14   Selection function for radix-4 combined division/square root.
    4.15   Generation of F[j].
    4.16   Generation of F[j] with rearranged bit-string.
    4.17   Bits of A used in SEL (retimed).
    4.18   Paths for MSBs and LSBs in retimed recurrence.
    4.19   Summary of reductions for division and square root operations.
    4.20   Comparison radix-4 divider/combined unit.
    4.21   The 10 random vectors.
    4.22   Percentage error in energy estimation.
    5.1   Costs and benefits in the application of reduction techniques.
    5.2   Energy-per-division, area, execution time and speed-up.
    A.1   Result digit encoding.
    A.2   Carry-look-ahead tree for 64-bit SZD.
    A.3   Delay and energy comparison between level shifter and inverter.