Home
Random
Nearby
Log in
Settings
Donate
About Wikidata
Disclaimers
Search
(P1645)
Watch
English
NIST/CODATA ID
identifier for a physical constant
CODATA ID
In more languages
Data type
External identifier
Statements
instance of
Wikidata property for authority control
0 references
Wikidata property related to physics
0 references
issued by
Committee on Data for Science and Technology
0 references
Wikidata property example
speed of light in vacuum
NIST/CODATA ID
c
0 references
Planck constant
NIST/CODATA ID
h
0 references
formatter URL
http://physics.nist.gov/cgi-bin/cuu/Value?$1
language of work or name
English
0 references
source website for the property
http://physics.nist.gov/cuu/Constants/index.html
language of work or name
English
0 references
property proposal discussion
https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/28#P1645
0 references
Constraints
property constraint
distinct-values constraint
0 references
single-value constraint
0 references
subject type constraint
class
physical constant
relation
instance of
0 references
format constraint
format as a regular expression
[^\d]+(\d?[a-z]?)+
syntax clarification
not just a number
(English)
constraint status
mandatory constraint
0 references
allowed-entity-types constraint
item of property constraint
Wikibase item
0 references
property scope constraint
property scope
as main value
as reference
0 references
