Applied math
How to Calculate Percentage Change
Calculate percentage increase or decrease from an old value to a new value, with the original value as the reference denominator.
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Physics and Engineering Notation Guides
Read and write notation for mechanics, waves, optics, circuits, thermodynamics, units, and applied mathematical models while preserving sign and unit conventions.
Focused guides
1 indexed guides
These pages each serve a distinct task and pass the source, specificity, and duplication gates.
Browse 15 supporting references
These pages answer narrower notation questions and link back to this hub; they are intentionally noindex to reduce cannibalization.
Classical Mechanics
Classical Mechanics: Common Errors and Verification
Common Errors and Verification for classical mechanics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Classical Mechanics: LaTeX Formatting Guide
LaTeX Formatting Guide for classical mechanics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Classical Mechanics: Notation Reference
Notation Reference for classical mechanics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
Read guideElectricity and Circuits
Electricity and Circuits: Common Errors and Verification
Common Errors and Verification for electricity and circuits: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Electricity and Circuits: LaTeX Formatting Guide
LaTeX Formatting Guide for electricity and circuits: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Electricity and Circuits: Notation Reference
Notation Reference for electricity and circuits: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
Read guidePhysics notation
Greek Letters Commonly Used in Physics
Learn the most common Greek letters in physics, their typical meanings, pronunciation, LaTeX commands, and context-dependent exceptions.
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How to Use Math Symbols in Email
Choose between Unicode, plain-text fallbacks, LaTeX source, and attached documents when sending mathematical notation by email.
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How to Use Math Symbols in Slides
Create readable equations for presentation slides, preserve editability, and avoid low-resolution formula screenshots.
Read guideThermodynamics
Thermodynamics: Common Errors and Verification
Common Errors and Verification for thermodynamics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Thermodynamics: LaTeX Formatting Guide
LaTeX Formatting Guide for thermodynamics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Thermodynamics: Notation Reference
Notation Reference for thermodynamics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Waves and Optics: Common Errors and Verification
Common Errors and Verification for waves and optics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Waves and Optics: LaTeX Formatting Guide
LaTeX Formatting Guide for waves and optics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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Waves and Optics: Notation Reference
Notation Reference for waves and optics: write, format, verify, and publish clear definitions, assumptions, examples, accessible markup, and portable notation.
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