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BCD Addition Calculator

Add decimals and display Binary Coded Decimal (BCD-8421) encoding.

BCD-8421

ENCODING

4-bit

PER DIGIT

Decimal

INPUT

BCD Addition Calculator

Add decimals and display Binary Coded Decimal (BCD-8421) encoding.

Number Type

Decimal 1

Decimal 2

—

Sum (decimal)—

BCD — Input 1—

BCD — Input 2—

BCD — Result—

BCD Encoding

How it works

Each decimal digit encoded as a 4-bit binary group.

BCD-8421: digit 0=0000, 9=1001. Digit groups separated by space.

Used in digital displays, counters and decimal arithmetic circuits.

Example

47 → 0100 0111

35 → 0011 0101

82 → 1000 0010

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