Problem: The English language uses the Latin alphabet with 26 letters and a numeric system with 10 numerals. These alphanumeric symbols Getters and numerals) work well most of the time to communicate information. However, it may become difficult to interpret written or electronic communications because some alphanumeric symbols are similar in appearance. For example, the lowercase letter "el" (1) looks almost exactly like the numeral 1 (one), and the uppercase letter O looks like the numeral 0 (zero). Because many symbols share similar or even identical physical characteristics, differentiating between them often poses a challenge. Examples of commonly confused alphanumeric symbols are presented in Table 1.
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