Last time, I updated the program that converts the "Margin Trading Balance by Stock" PDF published by JPX into Excel using Python.Since the PDF format changed in September 2026 and the previous ...

Even if you don't know how to program, you can create an "Excel file that automatically aggregates sales data and even creates graphs" just by talking to AI in plain language. Today, I will introduce ...

The most tedious part of presenting your figures isn't generating the data itself; it's manually moving Excel charts into PowerPoint. But there's a better way. Instead of the copy-paste grind, use ...

A simple setup lets Excel combine recurring reports and refresh the results whenever new files arrive.