The integral function is also not common at the secondary level mathematics.
Base Code 27: Dots 3,4 and 5
Radical Sign ( )
In writing the expression 6 y+ 9 , inserting the radical sign before the expression and
inserting the termination sign after the expression indicate that the entire operation comes
under the radical sign. Please note that there is no need to insert numeral sign after the
radical sign as use of radical sign itself will indicate that the expression has been changed
from literary expression and therefore, there is no need to use the radical sign and the
numeral indicator together. The above expression is written in Braille in the following
manner.
You must have understood the logic that should be followed in learning mathematical
Braille codes. By applying this logic, you need not memorise the codes. Having under-
stood the way mathematical Braille codes have to be written, you have to do a lot of
practice to have a thorough understanding on the usage of these codes. Go through the
sections once again should there be further problems understanding these codes. With
this basic understanding, a detailed study of the Nemeth codes from the source book
will provide you more clarity.
Hope you liked the way in which Mathematical braille codes were introduced in this
section.
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