Mathematica Tutorial: Notebooks And Documents - Wolfram Research

198 Notebooks and DocumentsEsc sum Esc summation sign ⁄Esc prod Esc product sign ¤Esc int EscEsc dd EscEsc pd EscCtrl+_ or Ctrl+-Ctrl+^ or Ctrl+6Ctrl++ or Ctrl+=Ctrl+& or Ctrl+7Ctrl+% or Ctrl+5Ctrl+Spaceintegral sign Ÿspecial differential „ for use in integralspartial derivative ∂move to the subscript position or lower limit of an integralmove to the superscript position or upper limit of anintegralmove to the underscript position or lower limit of a sum orproductmove to the overscript position or upper limit of a sum orproductswitch between upper and lower positionsreturn from upper or lower positionsWays to enter special notations on a standard English-language keyboard.You can enter an integral like this. Be sure to use the special differential „ entered as Esc ddEsc, not just an ordinary d.In[1]:= ‡ x n „xOut[1]=x 1+n1 + nHere is the actual key sequence you type to get the input.In[2]:=Out[2]=Esc int Esc x Ctrl+^ n Ctrl+Space Esc dd Esc xx 1+n1 + nWhen entering a sum, product or integral that has limits, you can create the first limit using thestandard control sequences for subscripts, superscripts, underscripts, or overscripts. However,you must use Ctrl+% to create the second limit.You can enter a sum like this.nIn[3]:= ‚ xx=01Out[3]= n H1 + nL2Here is the actual key sequence you type to get the input.