I started studying Excel, since it was not Excel, but Lotus 1-2-3 (with a computer without HD, “only 5 1/4 floppy disk” and with a green monitor ...
I am always looking for the most efficient way to solve a problem (I remember a teacher who answered a question about the best way to learn Excel and he said: you must be lazy, everybody told! how can be that, teacher? Him completed: then you must learn well the construction of the formulas and so, you can sit and see Excel working for you), therefore I am always willing to do a little more research to find the best solution. And by joining this blog, I know I will have many excellent learning opportunities, I admire Chandoo's skills. I can see that many Excel experts are members of this amazing blog.
Thanks to everyone for being here to teach and share your knowledge.