Pansophia: Science Reference

Wield the power of a world-class STEM library right from your pocket — 25,000+ concepts, theorems, natural laws, compounds, discoveries, & more across 18 STEM disciplines

The kind of data you used to search daily for, either individually online, or by flipping through a mountain of handbooks, now in one convenient place…

• 3,000+ biological species with habitat, unique functions and structures, timeline
• 1,200+ chemical compounds with properties, synthesis, hazards & CAS numbers
• 700+ mechanical components — fasteners, bearings, hinges, latches, brackets, clamps, belts/chains, flanges, gears, couplings, pumps, pneumatics + hydraulics, etc
• 500+ electronic components — transistors, op-amps, microcontrollers (Arduino/STM32/ESP32/RP2040), motors, sensors, LCDS, batteries, etc
• 350+ chemistry lab reference entries — solvents, buffers (Tris/PBS/HEPES), catalysts (Pd, Grubbs, MacMillan), spectroscopy (NMR/IR/MS), HPLC/GC chromatography
• 254 materials — alloys, polymers, ceramics, composites, AHSS, bulk metallic glasses, high-entropy alloys, fracture toughness & creep data
• 231 astronomical objects — Messier catalog, notable stars, exoplanets, black holes
• 280+ structural engineering tables — AISC W/HSS shapes & beam design, RC design, NDS wood design, foundations (spread/pile/mat/retaining), seismic design, soil classification, building codes, bridges
• 80+ chemical engineering reference — distillation & absorption unit ops, TEMA heat exchangers, CSTR/PFR/PBR/fluidized reactors, ASME VIII pressure vessels, API 650/620 storage tanks, relief systems, ISA-5.1 P&ID symbols, NEC/ATEX hazardous areas, industrial processes, HAZOP/LOPA/SIL methodology
• 220+ biomedical reference entries — FDA device classes, ASTM F-series implants, ISO 10993 biocompatibility, clinical trial phases, lab values (CBC/BMP/CMP/LFTs/ABG), vital signs by age, imaging modalities (X-ray/CT/MRI/US/PET)
• 280+ pharmacology drug classes — full WHO ATC coverage with mechanism, dosing, adverse effects, interactions
• 111 nuclear isotopes with cross-sections and decay data
• 61 algorithms with time/space complexity analysis
• 56 statistical tests with assumptions, formulas & when to use each
• 48 math identities — trig, integrals, Laplace & Fourier transform pairs
• 72 named organic reactions with reagents, conditions & mechanisms

Plus thousands more.

BUILT-IN TOOLS

• Scientific Calculator — 52 built-in constants, trig/log/factorial, history
• Unit Converter — 22 unit families including electrical & magnetic
• Physical Constants — 163 constants with uncertainties, searchable & copyable
• Quiz & Flashcards — SM-2 spaced repetition across all disciplines

18 DISCIPLINES

• Artificial Intelligence
• Astronomy & Astrophysics
• Biology
• Biomedical Engineering
• Chemical Engineering
• Chemistry
• Civil & Structural Engineering
• Computer Science
• Earth & Environmental Science
• Electrical Engineering
• Industrial & Systems Engineering
• Materials Science
• Mathematics
• Mechanical Engineering
• Nuclear Engineering
• Pharmacology
• Physics
• Statistics & Data Science

CROSS-DISCIPLINE CONNECTIONS

27,500+ cross-references link related concepts across disciplines. Tap any reference to jump between fields — see how thermodynamics connects to chemical engineering, or how linear algebra powers machine learning.

WORKS OFFLINE — ALL DATA BUNDLED

No internet required. Zero tracking. Zero ads. No account needed. Dark theme. Native LaTeX rendering.

AFFORDABLE

About a third of every discipline is free — no account, no time limit, no ads. Unlock all 18 for $9.99 (best value), or just one for $0.99. One-time purchase. No subscriptions.