| add_formula | Perform a mathematical operation on two formula |
| as_substituting_formula | A substituting formula helps clarify a formula where the parameters are more simply described in separate formulae. |
| divide_formula | Perform a mathematical operation on two formula |
| formula.substituting_formula | Convert a substituting_formula object into a regular formula. |
| formula_side | Extract formula parts |
| get_lhs | Extract formula parts |
| get_rhs | Extract formula parts |
| Math.formula | Perform a mathematical operation on two formula |
| modify_formula | Modify a formula by finding some part of it and replacing it with a new value. |
| multiply_formula | Perform a mathematical operation on two formula |
| Ops.formula | Perform a mathematical operation on two formula |
| op_formula | Perform a mathematical operation on two formula |
| simplify_parens | Remove extraneous parentheses from a formula. |
| substituting_formula | A substituting formula helps clarify a formula where the parameters are more simply described in separate formulae. |
| subtract_formula | Perform a mathematical operation on two formula |