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General Operating Instructions
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ber. Subsequent numbers are handled automatically by pressing an arithmetic or basic function key ( +, –, %, etc.)
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Financial and Interactive Functions
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All entries using the financial and interactive keys are loaded
automatically when you press the key identifying the entry type (n, i, Σ+, etc.) after you have entered the number.
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Storing Constant Values
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A constant value, whether keyed in or appearing on the display as a
result of a previous calculation, may be stored in a ’special constant
storage location from which it may be recalled and used in subsequent
calculations. To store a constant, press STO to recall it, press RCL. A copy of the recalled number appears on the display; the original value remains in the constant storage location.
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The STO
feature makes it easy to—say add several numbers, store the result, and
then divide the individual numbers by the stored sum without having to
reenter this constant value for each iteration. The storage location is
changed by writing over it with a new constant value or may be cleared
by turning the power switch off then on.
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A number stored with STO
is not affected by computations or by data stored in other locations
except when the key triggering the result is pressed during certain
special operations requiring larger memory area. The affected
applications are:
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Rate of Interest for Sinking Fund
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Bond Price
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Bond Yield
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Sum-of-the-Digits Depreciation
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Annual Effective Rate of Interest on Installment Loans
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Converting Add-on Interest to Effective Annual Rate
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Accrued Interest
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Discounted Note
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Accumulated Interest Between Two Points—Remaining Principal.
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Rebates on Consumer Loans (Rule of 78’s)
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Linear Regression Analysis (Trend Line)
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Discounted Cash Flow Analysis
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