HP HP-28S - Entering Data

Entering Data
Statistical data are stored in a statistics matrix named ~DAT -an ordi-
nary matrix with a special name. Each row of the matrix contains one
data point, which in this example comprises the values of CPI, PPI,
and UR for one year.
Before you start, clear
the stack and select FIX 2 number display
mode .
• , CLEAR!
.IMODE!2 FIX
Clear any previous statistical data, using CL~ (clear statistics) in the
STAT menu. (Any existing ~DAT is purged.)
.1 STAT I eu: r:::lf:-:-~---------~I
..... EBIIEHlDiBlmH.
Key in the data point for 1975.
rn 9.1,9.2,8.5
Store this data point in ~DAT.
I+
2:
1 :
[9.1,9.2,8.50
.... EBIIEHlDiBlmH
A new matrix named ~DAT is automatically created. The data point
for 1975 is the first row of ~DAT.
Enter the data point for 1976.
rn 5.8,4.6,7.7 %+
The data point for 1976 is added to ~DAT, forming the second row of
the statistics matrix.
132 12: Statistics