Binary, Decimal & Hex Conversion
Live four-base converter with step-by-step walkthrough, 32-bit toggle grid, bitwise playground, ASCII reference and quizzes.
Open Binary, Decimal & Hex Conversion6 modules · Computer Science / Logic
Computer Science / Logic
How machines compute, how we instruct them, and the logic underneath it all. Explore 6 free interactive computer science / logic modules — no signup, works offline.
6
Modules
Free
No signup
Offline
Works anywhere
Computer Science / Logic modules
Each one is a self-contained interactive app — open it and start straight away.
Logic Gates
Switch-driven AND, OR, NOT, NAND, NOR, XOR, XNOR with truth tables, gate combiner, and a built-in half/full adder.
Open Logic GatesSorting Algorithms
Eight algorithms (bubble, insertion, selection, merge, quick, heap, shell, radix) — solo runner, side-by-side race, full complexity table.
Open Sorting AlgorithmsBasic Coding Concepts
Ten fundamentals with side-by-side Python / JavaScript / Java syntax, an interactive line-by-line trace and 29-term glossary.
Open Basic Coding ConceptsBoolean Logic & Truth Tables
Type any expression — generate the full truth table, SOP / POS forms, tautology and contradiction detection, plus a step evaluator.
Open Boolean Logic & Truth TablesData Structures Visualizer
Animated arrays, linked lists, stacks, queues, hash tables and binary search trees — insert, delete and search node-by-node.
Open Data Structures VisualizerOther subjects
Noduly covers 16 subjects in total.