Sharp EL-9900 Operation Manual page 171

4
06 Rg_x Rg_x
equation name to store])
Finds the regression curve using the fourth degree polynomial.
(quartic regression)
Formula: y = ax
Parameters: a, b, c, d, e, R
07 Rg_ln Rg_ln (list name for x, list name for y [, frequency list] [,
equation name to store])
Finds the regression curve using the natural logarithm. (natural
logarithm regression)
Formula: y = a
Parameters: a, b, r, r
08 Rg_log Rg_log (list name for x, list name for y [, frequency list] [,
equation name to store])
Finds the regression curve using the common logarithm. (com-
mon logarithm regression)
Formula: y = a
Parameters: a, b, r, r
09 Rg_ab x Rg_ab
equation name to store])
Finds the regression curve using the exponential function.
(exponential regression)
Formula: y = ab
Parameters: a, b, r, r
bx
10 Rg_ae Rg_ae
equation name to store])
Finds the regression curve using the Euler exponential function.
(Euler exponential regression)
Formula: y = ae^bx
Parameters: a, b, r, r
Chapter 10: Statistics & Regression Calculations
4 (list name for x, list name for y [, frequency list] [,
+ +
4 3
bx
+
b ln x
2
+
b log x
2
x (list name for x, list name for y [, frequency list] [,
x
2
bx
(list name for x, list name for y [, frequency list] [,
2
+ +
2
cx dx e
2
161