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Both calculators run independently — change the inputs on either side to compare results.
Number Theory
Modular Arithmetic Calculator
Computes modular addition, multiplication, and exponentiation of integers under a chosen modulus. Essential for cryptography, clock arithmetic, hash functions, and competitive programming problems.
Fill in the required fields to see your result.
Number Theory
Quadratic Residues Calculator
Computes the Legendre symbol (a/p) for any integer a and odd prime p, classifying a as a quadratic residue (+1), non-residue (−1), or zero (0). Useful for modular arithmetic and cryptographic analysis.
Fill in the required fields to see your result.
Key differences
| Modular Arithmetic Calculator | Quadratic Residues Calculator | |
|---|---|---|
| Category | Number Theory | Number Theory |
| Inputs required | 4 | 2 |
| Result | Result | Legendre Symbol |
| What it does | Computes modular addition, multiplication, and exponentiation of integers under a chosen modulus. Essential for cryptography, clock arithmetic, hash functions, and competitive programming problems. | Computes the Legendre symbol (a/p) for any integer a and odd prime p, classifying a as a quadratic residue (+1), non-residue (−1), or zero (0). Useful for modular arithmetic and cryptographic analysis. |