I know that every absolutely continuous functions are of bounded(finite) variations but converse need not be true. and the cantor function is wellknown example of function of bounded variation which is not absolutely continuous. I want to know some other examples. Please help me! Thanks in advance!
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A real valued function $f:[a,b]\rightarrow \mathbb {R} $ is of bounded variation iff it is the difference of two bounded monotonically increasing functions. This gives you many  in fact all real real valued  examples. (See, eg., Rudins 'Real and Complex Analyis', Exercise 7.13) 

