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I'm Mark. I've always love learning from a young age and writing on InfoBarrel is one of my way of sharing my knowledge with as many people as possible.
Thanks for dropping by to read about me. I hope to add more details of myself as I continue on this journey. That's all for now.
I wish you awesome success in your life.
Mark Greenfield

Recent Posts

What do you want to see?
by MarkG
4 years ago
Learn How to Multiply 93 by 98 and More in 10 Seconds or Less Using These 3 Easy Steps

Have you ever seen people performing lightning fast math calculations and wondered how they did it? I remember watching Scott Flansburg, dubbed “The Human Calculator” and famed for his fast mental calculations, doing these instant calculations in his head. I was intrigued and began to learn some of these...

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