DRP Carl Gauss “Mathematics is the queen of sciences” “Number Theory is the queen of mathematics”

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Presentation transcript:

DRP Carl Gauss “Mathematics is the queen of sciences” “Number Theory is the queen of mathematics”

Number Theory Whole Numbers Cryptography

Modular Arithmetic (General) Generic Expression A modulo B == C  A: ‘dividend’  Modulo = mod = %  B: ‘modulus’  ==: Indicates congruency  C: remainder derived from A/B Foundation Knowledge

Clock Analogy

Computer Science Algorithm Algorithm for Most Programming Languages: 1.Quotient = RoundToZero(A/B) 2.Remainder = A – (Quotient * B)

Pure Math Modular Arithmetic -1 mod 4 == …-5, -1, 3, 7…  Infinite possible answers, infinite remainders  Pure Math handles infinite sets

Applied Math Java Modular arithmetic Application limited to finite sets Java picks number closest to zero as an ANSWER  -1 % 300 == -1 (8 bits)  -1 % 300 == 299 (10 bits) Java Programming Language

Final Thoughts Staff Chief DRP Mentor:  Tim Mercure DRP Student:  Geri Dunellari Auxiliary Resources:  Dr. Larry Washington  Corry Bedwell Book