Summation Notation

$\blacktriangleright$ To enter a polynomial as a summation $\sum_{{k=0}}^{{5}}$akxk

  1. Choose itbpF0.3009in0.3009in0.0701insigma.wmf; or choose Insert + Operators, and from the panel, choose itbpF0.3009in0.3009in0.0701insigma.wmf.

  2. With the insertion point immediately to the right of $\sum$, choose itbpF0.3009in0.3009in0.0701insubscrip.wmf or choose Insert + Subscript. Type k = 0 in the input box.

  3. Press TAB; or press SPACEBAR and choose itbpF0.3009in0.3009in0.0701insupscrip.wmf or choose Insert + Superscript. Type 5 in the input box.

  4. Press SPACEBAR or an arrow key to return to the line, and type akxk.