Appendix A: Functions and Instructions 603
rowSwap(matrix,rowA,
rowB)Returns a matrix with rowA
of matrix swapped with
rowB.
y >
MATH
C:rowSwap(
rref(matrix)Returns the reduced row-
echelon form of a matrix.y >
MATH
B:rref(
R4Pr(x,y)Returns R, given
rectangular coordinates x
and y or a list of rectangular
coordinates.
y ;
ANGLE
5:R4Pr(
R4Pq(x,y)Returns q, given
rectangular coordinates x
and y or a list of rectangular
coordinates.
y ;
ANGLE
6:R4Pq(
2-SampÜTest [listname1,
listname2,freqlist1,
freqlist2,alternative,
drawflag]
(Data list input)
Performs a two-sample
Ûtest. alternative=L1 is <;
alternative=0 is ƒ;
alternative=1 is >.
drawflag=1 draws results;
drawflag=0 calculates
results.
† …
TESTS
E:2-SampÜTest
F
unction or
Instruction/Arguments
Result Key or
Keys/Menu or
Screen/Item