Computer Science Calculators & Tools
Interactive data structures, algorithms, complexity analysis, Boolean logic, binary systems, and computational theory tools. Foundations for college CS curricula, technical interview prep, and software engineering problem solving.
Binary Converter (Base 2 ⇄ Dec, Hex, Oct)
Convert binary sequences into decimal, hexadecimal, and octal with bit-weight expansions
Decimal Converter (Base 10 ⇄ Binary, Hex, Oct)
Convert decimal integers to binary, hexadecimal, and octal using repeated division
Hexadecimal Converter (Base 16 ⇄ Bin, Dec, Oct)
Convert hexadecimal strings (0-9, A-F) to binary, decimal, and octal formats
Octal Converter (Base 8 ⇄ Bin, Dec, Hex)
Convert octal numbers (0-7) to binary, decimal, and hexadecimal with 3-bit triplets
Arbitrary Base N Converter (Base 2 to 36)
Convert numbers between any arbitrary radices from Base 2 up to Base 36
Binary Calculator (Add, Subtract, Multiply, Divide)
Perform arithmetic on binary numbers with two's complement signed representations
Boolean Algebra Calculator & Laws
Simplify boolean expressions and explore De Morgan’s laws, absorption, and identity theorems
Truth Table Generator
Generate complete truth tables for AND, OR, XOR, NAND, NOR, and XNOR boolean functions
Interactive Logic Gate Simulator
Simulate digital logic gates (AND, OR, NOT, NAND, NOR, XOR, XNOR) with interactive toggle pins
Bitwise Calculator (AND, OR, XOR, Shifts)
Perform bitwise operations (&, |, ^, ~, <<, >>) with interactive 8-bit binary visualizations
Text to ASCII Converter (Dec, Hex, Binary)
Convert text characters into ASCII decimal, hexadecimal, and binary byte sequences
Searchable ASCII Table (0 to 127)
Complete 0–127 ASCII reference chart with Decimal, Hex, Octal, Binary, and Control Codes
Unicode Converter (Code Points & UTF-8 Bytes)
Convert characters and emojis to Unicode code points (U+XXXX), UTF-8 bytes, and HTML entities
Big-O Complexity Calculator & Scaling Visualizer
Calculate and project operation counts for O(1), O(log n), O(n), O(n log n), O(n²), and O(2ⁿ)
Algorithm & Data Structure Complexity Reference
Interactive complexity matrix for sorting algorithms, search methods, and core data structures
IPv4 Subnet Calculator (CIDR & Masks)
Calculate network address, broadcast address, netmask, and usable host ranges from CIDR
Data Storage Converter (KB, MB, GB vs KiB, MiB, GiB)
Convert between decimal metric storage (10³) and binary operating system units (2¹⁰)
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