User Manual

• Choose a subject from the homepage or search.
• Open a chapter, then a section, and follow its ordered subsections.
• Use breadcrumbs to return to parent pages.
• Use previous and next links to continue chronologically.

Select Search in the header or press Ctrl+K on Windows and Android keyboards, or Command+K on macOS.

Search results include subjects, chapters, sections, subsections, definitions, theorems, calculators, and visual learning tools.

• Read the formula, assumptions, and learning objective before changing controls.
• Adjust sliders, expressions, selectors, or points to observe mathematical changes.
• Use full-screen mode when a graph is too small on a mobile device.
• Read the textual interpretation below the visualization.

• Enter values using the format shown in the example input.
• Review domain restrictions and assumptions.
• Compare exact, numerical, graphical, and step-by-step results when available.
• Use Reset before starting a different problem.

Use the theme button in the header or mobile menu. The selected light or dark mode is saved on the device.

Menus, equations, tables, graphs, and interactive panels adapt to smaller displays. Wide equations and tables may scroll horizontally rather than being reduced to unreadable sizes.

Include the page URL, the incorrect statement or display, and a short explanation. Screenshots are helpful for rendering problems.