SI Digital Framework
SI REFERENCE POINT
Version of the knowledge model
:
1.0.0
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last update
:
2026-06-10
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SI
Units
SI Prefixes
Decisions
Unit expressions
Constants
SPARQL Assistant
neper
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Unit
neper
Symbol
Np
Quantity
ratio logarithm (Np)
Unit Type
Non-SI unit accepted for use with the SI
