Patent ID: 8118598

Claim:
A method for determining a user-specified sum of money, the method performed by a computer system operated by a user, the method comprising: presenting a respective set of symbols for each of a plurality of denominations, each symbol having an unselected appearance and a selected appearance, each set having a respective quantity of symbols; presenting a plurality of numeric values comprising: (i) a first total for all symbols selected; and (ii) a difference between a goal amount and the first total, and updating the plurality of numeric values in accordance with the received indicia of selection; receiving indicia of selection of a symbol, the selection being by the user; updating the respective appearance of a symbol in response to the received indicia of selection; and revising the respective quantity of symbols in each set so that no first particular set of a relatively lower denomination has zero unselected symbols when a second particular set of a relatively higher denomination has more than zero unselected symbols.