HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 36
Storing a value, in a variable
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hp40g+.book Page 24 Friday, December 9, 2005 1:03 AM HINT When you retrieve a number from ANS, you obtain the result to its full precision. When you retrieve a number from the HOME's display history, you obtain exactly what was displayed. Pressing evaluates (or re-evaluates) the last input, whereas pressing ANS copies the last result (as ANS) into the edit line. Storing a value in a variable You can save an answer in a variable and use the variable in later calculations. There are 27 variables available for storing real values. These are A to Z and θ. See Chapter 17, "Variables and memory management" for more information on variables. For example: 1. Perform a calculation. 45 8 3 2. Store the result in the A variable. A 3. Perform another calculation using the A variable. 95 2 A 1-24 Getting started