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Number of Handshakes
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
Suggested by: Matthew Hoek and
Daniel Lichtblau
Suggestions by:
Daniel Lichtblau
and
Sjoerd C. de Vries
THINGS TO TRY
Automatic Animation
SNAPSHOTS
RELATED LINKS
Triangular Number
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Number of Handshakes
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/NumberOfHandshakes/
Contributed by:
Bob Hanlon
Suggested by: Matthew Hoek and
Daniel Lichtblau
Suggestions by:
Daniel Lichtblau
and
Sjoerd C. de Vries
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Related Curriculum Standards
US Common Core State Standards, Mathematics
HSS-CP.B.9