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3.4.2 Calculation
The calculation result with the UD-6000 might be dif-
ferent from that with the AL-100, due to the difference
of internal valid numbers.
When imaginary number is created, the calculation re-
sult will be displayed as an “ERROR”.
3.4.3 Calculation fanctions
a) Selecting the IOL formula
IOL formula can be selected on this window.
1) To select the desired IOL formula, touch the Formula
key (1) to go to formula selection display.
(Figure 1)