Educational Number System Tools
Test your understanding, practice binary and hexadecimal arithmetic, generate random numbers for homework drills, and consult comprehensive formula and cheat sheets.
Number System Quiz
Test your understanding of binary, octal, decimal, and hexadecimal with interactive questions.
Binary Conversion Quiz
Practice and test binary to decimal, hex, and octal conversions with instant score tracking.
Hexadecimal Quiz
Master hexadecimal conversions, letters A through F, and 4-bit nibble mappings.
Octal Quiz
Test your base-8 knowledge: 3-bit triplets, octal arithmetic, and Unix permission modes.
Complement Quiz
Test your understanding of 1’s, 2’s, 9’s, and 10’s complements and signed register ranges.
Base Conversion Practice
Interactive practice generator: solve dynamically generated base conversion problems with hints and proofs.
Binary Arithmetic Practice
Practice binary addition, subtraction, multiplication, and division with instant solution checking.
Random Number System Generator
Generate random numbers in binary, octal, decimal, or hexadecimal across custom bit widths.
Step-by-Step Conversion Solver
Universal multi-radix solver showing every mathematical step, division table, and expansion row.
Number System Formula Sheet
Comprehensive reference of all mathematical formulas, complement equations, and radix conversion algorithms.
Number System Cheat Sheet
Quick-reference lookup tables: powers of 2, hex/octal/binary mapping, ASCII codes, and logic gates.