School assignments encodes values as a question, a chart type that fits, and a sentence that reads the result. School science fairs and lab manuals from the late 19th century onward.
In reports, ads and assignments it fits lab reports, history timelines, math data tasks, posters. Skip it when decorating first — pick the chart that answers the rubric.
Software
- Software 1 — Excel or Google Sheets
- Software 2 — PowerPoint
- Software 3 — Figma / Illustrator — ad and poster shapes
- Software 4 — Python matplotlib or R ggplot — assignment and research figures
- Software 5 — This atlas’s server-rendered SVG — examples without a chart library
Exports
- Exports 1 — SVG
- Exports 2 — PDF
- Exports 3 — EMF/SVG into slides (no screenshots)
- Exports 4 — SVG for web, PDF for print
Accessibility
- Accessibility 1 — Never hue alone. Stack pattern, label and position.
- Accessibility 2 — 4.5:1 for text, 3:1 for large marks.
- Accessibility 3 — Short alt text on the chart; numbers also as an HTML table.
- Accessibility 4 — Motion only as emphasis. Honour prefers-reduced-motion.
School assignments: honour a question, a chart type that fits, and a sentence that reads the result, and switch when decorating first — pick the chart that answers the rubric.