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Number Base Explorer, click a bit to flip it

1286432168421

Binary

10011100

Decimal

156

Hex

0x9C

A half adder, SUM and CARRY updating live as you click A and B.Try this puzzle →

5 guided paths

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karnaugh-maps

Graph Theory Advanced Concepts

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Logic Gate Editor

Design your own logic gate projects in Nandscape with our beginner-friendly editor

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Create your own custom blocks to help solve puzzles and create complex projects, accessible each time you sign in.

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Every wire and gate updates instantly as you build and experiment.

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Practice through hands-on experience by doing puzzles, assigned tasks, and interactive tutorials.

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Easy≤2 gates

AND from NAND

NAND is universal: every other gate can be built from it alone. Build a 2-input AND gate using only NAND gates.

combinationalboolean-algebraNAND only

Easy≤4 gates

2-to-1 Multiplexer

No gate restrictions, just a tight budget. Output A when SEL is 0, B when SEL is 1.

combinationalselectors

Easy≤5 gates

XOR From Scratch

XOR and XNOR are off-limits. Build a 2-input XOR from AND, OR, NAND, and NOT.

combinationalboolean-algebraNo XOR, XNOR

Easy≤2 gates

1-Bit Memory Cell

Build a circuit that remembers a single bit using two cross-coupled NAND gates. Inputs are active-low: pulse S low to set, R low to reset, and hold both high to keep the last value.

sequentialmemoryNAND only

Med.≤18 gates