Scientific writing
How to Convert Scientific Notation
Convert between ordinary decimal form and scientific notation while preserving significant digits and the sign of the exponent.
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Scientific Writing and Accessible Math Guides
Publish readable, portable, and accessible mathematics in documents, presentations, web pages, PDFs, and assistive technologies with verifiable fallback formats.
Focused guides
3 indexed guides
These pages each serve a distinct task and pass the source, specificity, and duplication gates.
Accessibility
How to Write Alt Text for Equation Images
Write useful alternative text for mathematical images, decide when MathML is better, and avoid descriptions that overwhelm screen-reader users.
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Inline Math vs Display Math
Choose inline or display equations based on length, importance, punctuation, and readability.
Read guideBrowse 14 supporting references
These pages answer narrower notation questions and link back to this hub; they are intentionally noindex to reduce cannibalization.
Accessibility
Accessible Mathematical Content in PDF
Plan source equations, tagging, alternative descriptions, and verification steps for more accessible mathematical PDFs.
Read guideAccessible Mathematics
Accessible Mathematics: Common Errors and Verification
Common Errors and Verification for accessible mathematics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Accessible Mathematics: LaTeX Formatting Guide
LaTeX Formatting Guide for accessible mathematics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Accessible Mathematics: Notation Reference
Notation Reference for accessible mathematics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
Read guideScientific Writing
Dimensional Analysis Guide
Check quantities, dimensions, units, prefixes, products, and powers.
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Equation Accessibility Checklist
Preserve semantic source, reading order, labels, alternatives, zoom, and keyboard access.
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Formula Documentation Checklist
Document variables, domains, units, assumptions, edge cases, and examples.
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How to Type Degrees Celsius Correctly
Format Celsius temperatures consistently in Word, HTML, Unicode, and LaTeX.
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Measurement Uncertainty and Significant Digits
Round estimates and uncertainties without implying unsupported precision.
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SI Unit Typesetting
Format values, spaces, prefixes, derived units, exponents, and uncertainty.
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Scientific Notation vs Engineering Notation
Compare normalized scientific notation with engineering notation and choose powers of ten that match technical units.
Read guideScientific writing
Scientific Unit Formatting Guide
Format SI units, prefixes, spacing, exponents, temperature, and compound units consistently in reports, websites, and equations.
Read guideScientific writing
Significant Figures and Rounding Rules
Count significant digits, handle leading and trailing zeros, and round measured values without implying false precision.
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Writing Helpful Spoken Descriptions for Equations
Create concise spoken descriptions for equation images and structured math without reading every punctuation mark mechanically.
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