මේකට කියන සිංහල වචනෙ මොකක්ද?
මේකි තියෙන rules මොනාද?
හෙනයා;23212229 said:ගොඩක් security algorithms වලට use වෙනවා modular arithmetic

Cannot easily explain all that's in Modular Arithmetic in a few lines. If interested many University sites have explanatory notes and videos.
A basic 12 hour clock uses modular arithmetic. If it is 10.00 now and in 4 hours it will be 2.00 (instead of 14) 2 is the remainder of 14 with a modulus of 12.
(The number x mod n is the equivalent of asking for the remainder of x divided by n.)
Modular arithmetic is used in prime numbers, cryptography etc
Try this - could help you for a start
http://www.mymathcounts.com/documents/Chapter1ModularArithmeticsample.pdf

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ගණන් හදනකොට පාවිච්චි කරන සූත්ර ටික මොනාද කියල බැලුවෙ
හෙනයා;23212229 said:ගොඩක් security algorithms වලට use වෙනවා modular arithmetic