Formula plotting feature guide

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  • Powers are entered using the ^ symbol: x^2 means x SQUARED. x^(y+2) means x to the power of (y+2).
  • The plus/minus symbol is entered as "+- ", note the SPACE after +-. SPACE is mandatory!
  • Subscripts are entered using the [ and ]: example: x[1,2] = a+-b;
  • Graphs, see Instructions and Examples
  • Diagrams and drawings, see Formula plotting-drawings
  • Cartoons, see Formula plotting-cartoons
  • Arithmetic cartoons (explaining addition etc) see Instructions and Examples
  • Greek letters are entered using their common names