Reconstructing an expression
40603
Transform a list of functions to a composition
124523
Finding an Inverse Function and Composition of Functions?
51568
How can I get the unchanged Box form of an arbitrary expression?
141697
Robust method to extract "pure" part of a variable
48728
Number equations and preserving alignment of equal signs
68344
Concatenating strings, unevaluated expressions and evaluated expressions/values
60571
Interweaving vectors
132490
How to parse a mathematical expression given as a string and return a number?
126025
Computing the inverse of a permutation
140317
Equation (expression) parser with precedence?
92543
Regular expressions: Show that A*B is the solution of X = AX + B
15842
Lambda calculus expression reduction
133948
Shrinking or splitting some equations in a group of equations
75102
How do I get the raw representation of a string in Python?
16993
Can I simplify an expression into form which uses my own definitions?
136288
Extracting subscripts and superscripts
8051
Evaluating a mathematical expression in a string