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worksheet key or key sequence. Setting the Format for Calculation Method
You can select either the chain calculation method or the AOS (algebraic
operating system) calculation method. The default setting for calculation
method is chain (Chn).
When the calculation method is set to Chn (chain), the calculator solves
problems in the order that you enter them. This calculation method is used
in most financial calculators.
For example, when you enter 3 H 2 < 4 and the answer is 20. When the calculation method is set to AOS (the algebraic operating
system), the calculator solves problems according to the standard rules of
algebraic hierarchy. In AOS, multiplication and division operations are
completed before addition and subtraction operations.
This calculation method is used in most scientific calculators.
For example, when you enter 3 H 2 < 4 , the answer is 11. The
multiplication operation is completed before the addition operation so that
2 4 = 8 is calculated, and then the 3 is added to the result. 14 Chapter 1: Overview of Calculator Operations Procedure: Changing the Calculation Method Format
1. Press | . The most recently selected calculation method is displayed, either Chn
2. Press repeatedly to select either Chn or AOS. 3. Choose one of the following to continue:
To continue setting formats, press or . To return to the standard-calculator mode, press . To access another prompted worksheet, press the appropriate
worksheet key or key sequence. The Last Answer Feature
To display the last answer, press
x. If your current equation calls for
the last answer repeatedly, you can retrieve the value of ANS more than
You can use the last answer feature to copy a value:
From one place to another within the same worksheet.
From one worksheet to another.
From a worksheet to the standard-calculator mode.
From the standard-calculator mode to a worksheet.
ANS is updated when:
You enter a value by pressing . You compute a value by pressing
You press . to complete a...
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- Summer '09