# Number of Handshakes

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This Demonstration shows the total number of handshakes (pairwise connections) among a group of people. The person adds connections, the number of people already in the group. So if is the number of connections between people, and .

Contributed by: Bob Hanlon (March 2011)

Suggested by: Matthew Hoek and Daniel Lichtblau

Suggestions by: Daniel Lichtblau and Sjoerd C. de Vries

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

detailSectionParagraph## Permanent Citation

"Number of Handshakes"

http://demonstrations.wolfram.com/NumberOfHandshakes/

Wolfram Demonstrations Project

Published: March 7 2011