alphabets as ‘A’. Let the ten numbers be called ‘N’. Call the Math base code group as ‘B’
which consists of the 27 combinations. The branch code in mathematics may have the
following combinations only.
B alone
B 1 B 2 ... etc.
B 1 N 1
B 1 , N 1 , A 1 ... etc.
N 1 A 1 may not become a mathematical branch code since there is no base code present in
the combination.
With this understanding of the base and branch codes, the descriptions of the base codes
may be taken up.
Understanding the base codes
At this stage, you may not be ready for using the codes in mathematical exercise but you
will learn the interpretation of each base code and for what purpose they stand for. Though
there are several ways of introducing this, the easy way to understand is to go through the
base codes in terms of its frequency of usage. In this section, the meaning of the code is
described to a large extent and some examples are also cited to develop the logical
thinking of the learner. In base codes too, there are many categories. For example, a base
code ( ) dots 4 & 6 indicates decimal point, structural shape modification, greek letter
indication, italic types, shaded shape indication, first inner radical indication etc., but
elaborate description of every such code may not be necessary for secondary level
mathematics. In this package, all the codes that appear at the secondary level are
explained in detail. After getting mastery over the secondary level codes, it is
suggested that the learners go through the entire Nemeth code book and study other
codes. In fact, this package may be useful for understanding the entire gamut of
Nemeth codes better. In this section, descriptions are provided for the base codes, and
detailed descriptions of the branch codes and their usage. When more explanations are
needed for rules, please refer to the Nemeth code book.