From Algebra.Com's Help
- 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 Instructions and Examples.
- Cartoons (explaining simplification etc), see Instructions and Examples
- Simplifier cartoons (universal simplifier performing automatic simplification and showing cartoons), see Instructions and Examples.
- Arithmetic cartoons (explaining addition etc) see Instructions and Examples
- Greek letters, summation, integrals etc are entered using their common names. Examples
- Math functions, see Supported math functions
- Matrices, see Instructions and Examples.
- Special math notation, such as sums, integrals, logarithms, limit etc, see Instructions of Examples.
- Simplified instructions for students submitting homework questions.