This book contains some interesting problems on digital sums to enliven the readers of mathematics. It is also hoped that these problems may create interest in the hearts of researchers and lovers of mathematics who approach it with pure love for its own beauty.Also, remember the quotation " Numbers have a way of taking a man by the hand and leading him down the path of reason " -PythagorasIt is true that, a devoted mathematician is a maker of patterns in integers. An advancement in the theory happens only when mathematicians are not afraid to perform manipulations differently.
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