Writing
How Many Words Is a 5-Page Essay? Pages to Words Chart
A 5-page essay is roughly 1,250–1,500 words double-spaced or 2,500–3,000 single-spaced. See the pages-to-words chart and what changes the count.
The ZeroTell Blog
Practical guides for clearer writing, honest use of AI and emails that get answered.
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Study
How to Calculate Percentage Change (Formula + Examples)
Percentage change = (new − old) ÷ old × 100. Worked examples for increases and decreases, percentage points vs percent, reverse percentages and common mistakes.
Writing
How to Cite a Book in APA, MLA and Chicago (With Examples)
Cite a book in APA 7, MLA 9 and Chicago: one or more authors, editions, a chapter in an edited book, and e-books, with in-text examples.
Writing
How to Cite a Journal Article in APA, MLA and Chicago
Cite a journal article in APA 7, MLA 9 and Chicago: authors, volume and issue, page ranges, article numbers, DOIs and URLs, plus in-text forms.
Writing
How to Cite a Website in APA, MLA and Chicago
Cite a web page in APA 7, MLA 9 and Chicago, including pages with no author or no date, and when to cite a whole website instead of one page.
Writing
How to Cite an Interview, Image or Social Media Post
Cite interviews (personal and published), images and figures, and social media posts in APA 7, MLA 9 and Chicago, with fictional examples.
Writing
How to Cite Claude, Gemini and Copilot in APA, MLA and Chicago
Cite Claude, Gemini and Copilot in APA, MLA and Chicago with the same pattern as ChatGPT, plus how to describe your prompt and disclose AI use.
AI
How to Disclose AI Use in an Assignment (With Examples)
When and how to disclose AI use in schoolwork: what to include, where to put it, and six sample AI disclosure statements you can adapt to your course policy.
Emails
How to Request a Meeting by Email (With 6 Templates)
How to ask for a meeting by email: a clear subject line, the purpose up front, specific time options and a short agenda. Includes six templates you can adapt.
Study
How to Solve Quadratic Equations: 4 Methods With Examples
Solve quadratic equations by factoring, square roots, completing the square or the quadratic formula, with worked examples and the discriminant.
Writing
How to Write a Conclusion Paragraph (With Examples)
Write a conclusion paragraph that does more than summarize: restate the thesis in new words, connect your points and show why it matters. With examples.
Writing
How to Write a Thesis Statement (Formula + Examples)
Write a thesis statement that makes a specific, arguable claim: the four types, a simple formula, weak-to-strong examples and a checklist to test yours.