1. A method for presenting information, the method comprising the acts of: presenting an input expression on a workspace associated with a computational software application; presenting on the workspace a result corresponding to an evaluation of the input expression; presenting on the workspace a first user interface mechanism associated with the input expression; hiding on the workspace the input expression, while presenting on the workspace the result, in response to an activation of the first user inter mechanism; presenting on the workspace a second user interface mechanism associated with the input expression; and presenting on the workspace the input expression in response to an activation of the second user interface mechanism.