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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

Determines whether an integer a is a quadratic residue or non-residue modulo a prime p using Euler's criterion. Useful in number theory, cryptography, and primality testing.

Fill in the required fields to see your result.

Key differences

Binary to Decimal ConverterQuadratic Residue Calculator
CategoryNumber TheoryNumber Theory
Inputs required12
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.Determines whether an integer a is a quadratic residue or non-residue modulo a prime p using Euler's criterion. Useful in number theory, cryptography, and primality testing.