Work guide
How percentage change works
Understand the formula and when the starting value matters.
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Practical work guides
Short explanations that help you understand the task, then finish it with the right tool.
Work guide
Margin and markup are not the same
Choose the right pricing calculation for your work.
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Clean text copied from a PDF
Remove broken spacing and repeated blank lines locally.
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Prepare an image for email
Resize, compress and choose a practical image format.
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