Calculator User Manual

Appendix A: Functions and Instructions 597
GPrn(pmt1,pmt2
[,roundvalue])
Computes the sum,
rounded to roundvalue, of
the principal amount
between pmt1 and pmt2 for
an amortization schedule.
Π1:Finance
CALC
0:
GPrn(
prod(list[,start,end]) Returns product of list
elements between start and
end.
y 9
MATH
6:prod(
Prompt variableA
[,variableB,...,variable n]
Prompts for value for
variableA, then variableB,
and so on.
†

I/O
2:Prompt
1-PropZInt(x,n
[,confidence level])
Computes a one-proportion
z confidence interval.
†
…
TESTS
A:1-PropZInt(
2-PropZInt(x1,n1,x2,n2
[,confidence level])
Computes a two-proportion
z confidence interval.
†
…
TESTS
B:2-PropZInt(
1-PropZTest(p0,x,n
[,alternative,drawflag])
Computes a one-proportion
z test. alternative=
L1 is <;
alternative=0 is ƒ;
alternative=1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
† …
TESTS
5:1-PropZTest(
F unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item