Patent Document ID: 4158233
Application ID: 05802304

Base Claim:
1. An electronic calculator comprising: keyboard input means including a plurality of alphabetic, numeric, and arithmetic operator keys for entering an algebraic statement that includes arithmetic operators, constants, and variables into the calculator; memory means, coupled to said keyboard input means, for storing an algebraic statement that has been entered into the calculator; processing means, coupled to said keyboard input means and memory means, for processing an algebraic statement that has been entered into the calculator and stored in said memory means to calculate the arithmetic result of that algebraic statement; and output means, coupled to said processing means, for providing a visual indication of the calculated arithmetic result of an algebraic statement processed by said processing means; said processing means being operative for processing an algebraic statement that includes first and second variables that are not separated by any arithmetic operator as if said first and second variables had been separated by a multiplication operator.

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Claim 3:
3. An electronic calculator as in claim 1 wherein said processing means is operative for processing an algebraic statement that includes a third variable and an adjacent constant that are not separated by any arithmetic operator as if said third variable and adjacent constant had been separated by a multiplication operator.