Sharp EL-556G

pressed (J or ((x,.»)) after entering an incorrect
value, this value can be corrected with (>) .
Correction after pressing
If you have pressed but no other key, delete
the incorrect data with (CD).
If you have performed any other operation, re-
enter the data to be corrected and press (2ndF
(CD) .
[Recalling Statistics]
e The values of y, sy, oy, X, sx, ox, Xry, Ly, Ly’, n,
Ly, Lx”, a, b, c, r can be viewed by pressing (RCL
followed by the corresponding key.
e To obtain an estimated value (x’ or y’), enter a
value for y (or x) and press x’) (or @ndF
).
Single-Variable Statistical Calculations
(— page 214)
Regression Calculations (— page 216)
Quadratic Regression Calculation (— page 219)
Statistical Calculation Formulas
In the following formulas, an error will occur when:
¢ the absolute value of the intermediate result or
calculation result is equal to or greater than 1 x
1Q100,
¢ the denominator is zero.
« an attempt is made to take the square root of a
negative number.
* no solution exists in the quadratic regression
calculation.