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 Apr24 comment Can Mathematica check if two expressions give the same output for integer input? If you denote in Simplify that n is an integer it will simplify it to the form $(-1)^n$. Apr24 comment Problem with working precision @niren outside the input field the setting $PrePrint works just fine, if you want in the output the specific format of course ... Apr24 comment Problem with working precision @niren but inside the input field you cant do any calculations just input a number. You have to explain exactly what you want. Apr24 revised Problem with working precision added 152 characters in body Apr24 comment Problem with working precision @niren This is closer to what you really want: InputField[Dynamic[ToString@NumberForm[b, {4, 2}]], String] Apr24 comment Problem with working precision @niren Indeed but you didn't ask that ... Apr24 revised Problem with working precision added 232 characters in body Apr24 answered Problem with working precision Apr24 comment data visualization on a lattice grid @dbm that's strange, have you tried selecting the cell and go to the File menu option and select from there the choice "save selection as ..."? Apr24 comment Function giving negative value when it should be positive I tried both the initial integral and the series you give for your provided values and get the same result$0.31644$if you get$-0.31644\$ the I think that @JonathanShock hit the spot. Apr23 comment data visualization on a lattice grid @J.M. it depends on what the first version of the command was. For instance if the initial plan was to use {1,Tan[th]} to give an example. But I think I will leave it for anyone that cares for a short 101 in trigonometry. Apr23 revised data visualization on a lattice grid added 546 characters in body Apr23 revised data visualization on a lattice grid added 389 characters in body Apr23 comment data visualization on a lattice grid @DavidCarraher the OP mentions an arrow inside a circle but its a good idea. Apr23 revised data visualization on a lattice grid deleted 11 characters in body Apr23 answered data visualization on a lattice grid Apr23 revised data visualization on a lattice grid improved formatting Apr23 suggested approved edit on data visualization on a lattice grid Apr23 revised How to use an arbitrary closed region to extract an image region of interest improved formatting Apr23 suggested approved edit on How to use an arbitrary closed region to extract an image region of interest