I.R.I.S. Readiris 14 for Mac User Guide - Manual (Page 54)

Readiris TM 14 – User Guide
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When this option is selected Readiris only recognizes the numerals
0-9 and the following series of symbols:
+
Plus sign *
Asterisk /
Slash %
Percentage ,
Comma
.
Period (
Opening
parenthesis )
Closing
parenthisis -
Hyphen =
Equation sign
$
Dollar sign £
Pound sign €
Euro sign ¥
Yen sign
Recognizing Western words in non-Latin alphabets
When you are processing Cyrillic, Slavic, Greek or Asian
documents that also contain "Western" words written in the Latin
alphabet - such as proper nouns, then it is recommended to select
one of the available Language pairs.
Language pairs are always combined with the English language and
are available for Russian, Byelorussian, Ukrainian, Serbian,
Macedonian, Bulgarian and Greek.
Note: when processing Asian or Hebrew documents, mixed
characters sets are used automatically.
To select a Language pair:
 Click the language list > Other languages.
 Select the required language pair in the (primary) language list.