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Tools & Calculators

Useful tools and clear examples for everyday calculations, writing, and getting the details right.

Stories in Tools & Calculators

2 stories

A calculator and notebook show the saving and final price for a fifteen percent discount.

How to Calculate a Percentage: Simple Formulas and Examples

Learn how to calculate a percentage with clear examples for discounts, scores, and increases or decreases, then check your answer with a percentage calculator.

Serynix Editorial TeamOctober 15, 2026

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A writer checks a printed draft beside a silver laptop and an open notebook.

Tools & Calculators4 min read

How to Count Words Online, in Google Docs, and in Word

Learn how to count words with an online word counter, Google Docs, or Microsoft Word, including how to count one passage and avoid word limit surprises.

Serynix Editorial TeamOctober 15, 2026

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