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Texas Instruments TI-Nspire CAS User Manual

Texas Instruments TI-Nspire CAS
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ΣInt()
Catalog >
ΣInt(NPmt1, NPmt2, N, I, PV ,[Pmt], [FV],
[PpY], [CpY], [PmtAt], [roundValue])
value
ΣInt(NPmt1,NPmt2,amortTable) value
Amortization function that calculates the
sum of the interest during a specified range
of payments.
NPmt1 and NPmt2 define the start and end
boundaries of the payment range.
N, I, PV, Pmt, FV, PpY, CpY, and PmtAt
are described in the table of TVM
arguments, page 191.
If you omit Pmt, it defaults to
Pmt=tvmPmt
(N,I,PV,FV,PpY,CpY,PmtAt).
If you omit FV, it defaults to FV=0.
The defaults for PpY, CpY, and PmtAt
are the same as for the TVM functions.
roundValue specifies the number of
decimal places for rounding. Default=2.
ΣInt(NPmt1,NPmt2,amortTable) calculates
the sum of the interest based on
amortization table amortTable. The
amortTable argument must be a matrix in
the form described under amortTbl(), page
12.
Note: See also ΣPrn(), below, and Bal(),
page 21.
ΣPrn()
Catalog >
ΣPrn(NPmt1, NPmt2, N, I, PV, [Pmt],
[FV], [PpY], [CpY], [PmtAt],
[roundValue]) value
ΣPrn(NPmt1, NPmt2, amortTable)
value
Amortization function that calculates the
sum of the principal during a specified
range of payments.
Symbols 221

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Texas Instruments TI-Nspire CAS Specifications

General IconGeneral
TypeGraphing
Cover-
Form factorPocket
Control typeButtons, Touch
Product colorGrey, Silver
Digits- digits
Display tiltingNo
Display resolution320 x 240 pixels
Display number of lines- lines
Compatible operating systemsWindows XP/2000\\r Mac OS X 10.4/10.5
Battery typeAAA
Power sourceBattery
Number of batteries supported4
USB portYes
USB 2.0 ports quantity1
RAM capacity16 MB
ROM capacity20 MB
Weight and Dimensions IconWeight and Dimensions
Depth198.3 mm
Width100 mm
Height28.7 mm

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