Guides
Practical study how-tos, no fluff.
Clear, step-by-step guides to the things students actually look up: how to cite a source in APA, MLA, Chicago and Harvard, how to work out your GPA, and how to revise so it sticks. Each one is backed by a free tool that runs entirely in your browser.
APA vs MLA vs Chicago: Which Citation Style to Use
APA suits the sciences, MLA suits literature and languages, Chicago suits history and publishing. Here is how their in-text form, dates and reference lists differ.
Read guideChicago Style Citation Guide (Notes and Bibliography)
Chicago has two systems. Notes and bibliography uses footnotes plus a bibliography; author-date uses in-text citations. Here are the formats, with examples.
Read guideHarvard Referencing Guide: In-Text Citations and Reference Lists
Harvard is an author-date style. Cite the author and year in the text, then give the full source in a reference list. Here is the format for books and websites.
Read guideHow to Calculate Your GPA on the 4.0 Scale
Multiply each course grade by its credits, add the quality points, and divide by the total credits. Here is the full method with a worked example.
Read guideHow to Cite a Website in APA 7th Edition
Use Author, A. A. (Year, Month Day). Title of page. Site Name. URL for the reference, and (Author, Year) in the text. Here is how to handle missing authors, missing dates and retrieval dates.
Read guideHow to Cite Sources in MLA 9th Edition
MLA 9 uses nine core elements in a fixed order to build any works-cited entry. In text, you cite the author and page with no comma and no year.
Read guideHow to Study with Flashcards Using Active Recall
Flashcards work when you retrieve the answer from memory instead of rereading it. Here is how to write good cards and space your reviews so they stick.
Read guideWeighted vs Unweighted GPA: What's the Difference?
Unweighted GPA caps every A at 4.0. Weighted GPA gives harder classes extra points, often on a 5.0 scale. The same transcript can produce two different numbers.
Read guideWhat Grade Do I Need on the Final Exam
Plug your current grade, your target, and the final's weight into one formula. Here is how it works, with examples for both possible and impossible targets.
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