Testing 1
If \displaystyle f(x)=[x]-\left[ {\frac{x}{3}} \right],x\in R where [x] denotes the greatest integer function, then
\displaystyle f(x)=[x]-\left[ {\frac{x}{3}} \right],x\in R
If \displaystyle f(x)=[x]-\left[ {\frac{x}{3}} \right],x\in R where [x] denotes the greatest integer function, then
\displaystyle f(x)=[x]-\left[ {\frac{x}{3}} \right],x\in R