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White Crane Education provides several free, on-line references to the community. These references support our textbooks and electronic classrooms by providing a quick index to the core material for each subject.


Algebra is one of the more challenging subjects that most students encounter. Our algebra reference covers all of the material for both algebra one and algebra two.


Geometry, with all its pictures and diagrams, is one of our favorite subjects. Our geometry reference covers all the details including postulates, theorems, formulas and their applications.

Web Development

Our computer programming reference has two parts. The HTML reference covers the core website development languages. The pages of the CSS reference review the essentials of the language used to format web pages.


The JavaScript reference includes both core JavaScript and the browser extensions used in Dynamic HTML (DHTML) development.