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Assistance, Batteries,
Memory, and Service
Obtaining Help in Operating the Calculator
We suggest reading “Answers to Common questions,” below, before contacting us. Past experience has shown that many of our customers have similar questions.
Answers to Common Questions
Q:I’m not sure if the calculator is malfunctioning or if I’m doing something incorrectly. How can I determine if the calculator is operating properly?
A:Refer to page 232, which describes the diagnostic
Q:My arithmetic keys don’t work like I expect. I press 12 +3 =and get 3.00.
A: You may be in the wrong mode. Press @> 0to set Algebraic mode.
Q:My numbers contain commas as decimal points. How do I restore the periods?
A:Press D F.
222 A: Assistance, Batteries, Memory, and Service
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