When dealing with the chart in Excel document, if the text description of the original chart is not specific enough, you can add additional information to the chart by adding text boxes to it. This article will introduce how to add a text box to a Excel chart programmatically using…

As one of the commonly used document formats, PDF documents are known for their good compatibility. Generally, a PDF document can contain pictures, tables, texts, etc. However, when the document contains too much content, its upload and transmission may be affected. In this article, you will learn how to use…

Superscript and subscript are characters that appear slightly above or below your regular text and are often used in mathematical as well as chemical formulas. This article will demonstrate how to insert subscript and superscript in an Excel document using Free Spire.XLS for Java.

Install Free Spire.XLS for Java
Method…

Nowadays, more and more e-books, company contracts/agreement, academic report are in PDF file format. And for some confidential documents, setting expiration date is a very effective way to protect them. After the expiration date, the documents will be automatically destroyed. This article will demonstrate how to set an expiration date…

Data sorting in Excel is to sort one or more columns of unordered data according to different needs, which helps to display the data in a more organized way and also helps people find the required data faster. This article will demonstrate how to sort data within a cell range…

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