PD ISO/TR 21386:2019
Authoritative standards guide for applying ISO 80000 principles of quantity and unit representation in scientific and technical documentation.
PD ISO/TR 21386:2019 - Guidelines for the Application of ISO 80000 Quantities and Units
Authoritative Standards for Mathematical and Scientific Measurement
PD ISO/TR 21386:2019 is an essential reference guide for professionals who work with quantities and units in mathematics, physics, chemistry, and other scientific disciplines. Developed by the International Organization for Standardization (ISO), this technical report provides detailed guidelines on the proper application of the ISO 80000 series of standards, which establish globally recognised conventions for representing and communicating measurable quantities.
Ensure Compliance and Consistency Across Industries
Adhering to the recommendations in PD ISO/TR 21386:2019 is crucial for maintaining consistency and accuracy in scientific and technical documentation. This report helps organisations and individuals:
- Understand the fundamental principles of quantity and unit representation outlined in the ISO 80000 standards
- Correctly apply the rules for formatting, expressing, and interpreting quantities and their associated units
- Avoid common errors and ambiguities when communicating numerical information across disciplines
- Ensure their work complies with international best practices for mathematical and scientific notation
Comprehensive Guidance for Diverse Applications
PD ISO/TR 21386:2019 covers a wide range of topics related to the use of quantities and units, including:
- Fundamental concepts and definitions
- Principles of quantity and unit representation
- Guidelines for formatting numerical values and units
- Recommendations for expressing derived quantities and composite units
- Conventions for writing and typesetting mathematical expressions
- Guidance on using SI units and other recognised systems of measurement
Whether you're a scientist, engineer, technical writer, or anyone who works with quantitative data, PD ISO/TR 21386:2019 is an invaluable resource for ensuring your work meets the highest standards of precision and clarity.
Technical Information
Specification Details
- Nanotechnologies
- Considerations for the measurement of nano-objects and their aggregates and agglomerates (NOAA) in environmental matrices