🔢 Binary Arithmetic Workshop

Convert between number bases, add binary numbers, and shift bits — with every step of working shown.

Designed with the WJEC specification in mind

CS GCSE §1.2.1CS A-Level Unit 1

Base Converter

Binary Addition

Arithmetic Shifts

Overflow / Underflow

🔄

From

Value

➕

Number A (binary)

Number B (binary)

Bits

↔️

Binary number

Direction

Shift by

💥

An 8-bit unsigned register can store 0–255. What happens when you go beyond the limits?

Current value (denary)

Add