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Both calculators run independently — change the inputs on either side to compare results.

Number Theory

Binary to Decimal Converter

Convert any binary (base-2) number to its decimal (base-10) equivalent in one click. Handy for programming, digital electronics, and computer science coursework.

Fill in the required fields to see your result.
Number Theory

Quadratic Residue Calculator

Determine whether an integer a is a quadratic residue modulo a prime p, and compute the Legendre symbol (a/p). Used in number theory, primality testing, and cryptographic algorithm design.

Fill in the required fields to see your result.

Key differences

Binary to Decimal ConverterQuadratic Residue Calculator
CategoryNumber TheoryNumber Theory
Inputs required13
ResultDecimal ValueQuadratic Residue Result
What it doesConvert any binary (base-2) number to its decimal (base-10) equivalent in one click. Handy for programming, digital electronics, and computer science coursework.Determine whether an integer a is a quadratic residue modulo a prime p, and compute the Legendre symbol (a/p). Used in number theory, primality testing, and cryptographic algorithm design.