(This is an online sample of the content on a RACHEL offline server.)
- Math & Science video library: (Khan Academy, Khan Academy on a Stick)
- INTRODUCTION
- Arithmetic
- Pre-Algebra
- Algebra
- Developmental Math
- Algebra 1 Worked Examples
- ck12.org Algebra 1 Book Examples
- California Standards Test: Algebra I
- California Standards Test: Algebra II
- Geometry
- California Standards Test: Geometry
- Trigonometry
- Precalculus
- Calculus
- Linear Algebra
- Differential Equations
- Probability
- Statistics
- Physics
- Chemistry
- Biology
- Organic Chemistry
- Cosmology and Astronomy
- Encyclopedia - Wikipedia Selection - Subject Index
- Art
- Business Studies
- Citizenship
- Countries
- Everyday life
- Design and Technology
- Geography
- History
- IT
- Language and Literature
- Mathematics
- Music
- People
- Portals
- Religion
- Science
- Encyclopedia - Wikipedia Selection - Title Word Index
- CK-12 Foundation Books: (CK-12 Foundation)
- Algebra Explorations, Pre-K through Grade 7
- Basic Algebra
- Basic Algebra Concepts
- Algebra 1
- Algebra I Teacher's Edition
- Algebra 2
- Basic Geometry
- Basic Geometry, Teacher's Edition
- Basic Geometry Concepts
- Geometry
- Geometry, Teacher's Edition
- CK-12 Trigonometry Concepts
- Trigonometry
- Trigonometry, Teacher's Edition
- Basic Probability and Statistics - A Short Course
- Basic Probability and Statistics - A Full Course
- CK-12 Basic Probability and Statistics Concepts - A Full Course
- CK-12 Advanced Probability and Statistics Concepts
- Probability and Statistics (Advanced Placement)
- Advanced Probability and Statistics Teacher's Edition
- Calculus
- Calculus, Teacher's Edition
- Basic Physics
- CK-12 People's Physics Concepts
- Physics - From Stargazers to Starships
- 21st Century Physics
- Chemistry
- Chemistry, Teacher's Edition
- Chemistry - Labs & Demos
- Biology
- Biology Workbook
- Biology, Teacher's Edition
- Life Science for Middle School
- Earth Science Concepts
- Earth Science for Middle Schools
- Earth Science for High Schools
- Engineering - An Introduction for High School
- World Literature Ebooks - Books in Digital format: (gutenberg.org collections)
- Adventure Stories
- Africa
- Anthropology
- Archaeology
- Best Books Ever Bookshelf
- Biographies
- Children's Book Series
- Children's Fiction
- Children's Literature
- Classical Era Collection
- Detective Fiction
- Fantasy Collection
- Folklore
- Gothic Fiction
- Harvard Classics Collection
- History For Children
- Horror Fiction
- Mystery Fiction
- Native America
- One Act Plays
- Philosophy
- Poetry
- School Stories
- Science Fiction
- Short Stories
- Libros en Español
- Westerns
- Medical Encyclopedia (U.S.National Library of Medicine)
- Hesperian Health Guides: (Hesperian)
- Where There Is No Doctor. A village health care handbook.
- Where There Is No Dentist
- Where Women Have No Doctor
- Disabled Village Children
- Women with Disabilities - A Health Handbook
- A Book for Midwives: Care for pregnancy and birth
- Helping Children Who Are Deaf
- Helping Children Who Are Blind
- Cholera Prevention Fact Sheet
- Sanitation and Cleanliness for a Healthy Environment
- Water for Life - Community water security
- A Community Guide to Environmental Health
- Helping Health Workers Learn
- OLPC Educational Packages: (OLPC Collections)
- Storybooks
- Web Design
- Wikibooks
- Wikislice General
- Wikislice Animals
- WikiHow
- Biology
- Wikislice Chemistry
- Wikislice Physics
- Nature Photographs
- World Culture
- Music Samples
- How to Build Musical Instruments
- y-Bee-See - An interactive ABC picturebook
- A compact multilingual translation dictionary
- UNESCO's IICBA Electronic Library (UNESCO-IICBA)
Teachers resources from the UNESCO International Institute for Capacity Building in Africa - Primary Mathematics in English
- Primary Science in English
- Secondary Science in English
- School Management in English
- HIV/AIDS Electronic Library - resource for teachers
- MathExpression Math Video Lessons, Tips and Practice, from Wei Chong
- Typing Practice
- Music Theory Lessons, from musictheory.net
- NOTE: This version of RACHEL, which contains HTML5 video, requires a modern compatible browser.