Pansophia

The STEM Pocket Reference
21,000+ formulas and reference tables across 18 disciplines. Equation grapher, scientific calculator, unit converter, and quiz system.
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18
Disciplines
21,000+
Entries
2,000+
Reference Tables
28,000+
Cross-References
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Reference Tables

1,137 compounds, 335 mechanical specs, 192 astronomical objects, 153 electronic components, and more.

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Built-in Tools

Equation grapher with 2D/3D/contour plotting and LaTeX input. Scientific calculator, 22-family unit converter, 119 searchable physical constants.

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Cross-Discipline Links

28,000+ cross-references connect concepts across all 18 STEM disciplines.

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Works Offline

All data bundled. No internet required. Zero tracking. Zero ads.

Affordable for Everyone

Pick 3 disciplines free — explore with no time limit.

Unlock any discipline for $0.99 or all 18 for $9.99.

One-time purchase. No subscriptions.