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What is the tool (software) you often use?


It is Excel and Excel VBA.

If there is a standard software that many member can use in the company, I also use the software.

Sometimes I use R and Python if Excel is not enough.

For daily business use, Excel is very useful and powerful tool. Reasons are below.
"Many people can do that I teach"
"General graphs and statistics can be used easily"
"In 1 file, we can put data set, analysis process and output report"