Application Guide

226 Symbols
ΣPrn()
Catalog >
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 195.
• 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.
ΣPrn(NPmt1,NPmt2,amortTable)
calculates the sum of the principal paid
based on amortization table amortTable.
The amortTable argument must be a
matrix in the form described under
amortTbl(), page 8.
Note: See also ΣInt(), above, and Bal(),
page 17.
# (indirection)
/k keys
# varNameString
Refers to the variable whose name is
varNameString. This lets you use strings to
create variable names from within a
function.
Creates or refers to the variable xyz .
Returns the value of the variable (r) whose
name is stored invariable s1.