Sharp EL-W506 Manual page 33

1: Statistics
• 0: SD – Single data or
univariate data calculations
• 1: LINE – Linear regression
calculations, including finding
the regression line variables.
• 2: QUAD – Can be used as a
short cut to find the second-
common difference pattern
equation.
• 3 – 7 – Modes that are not
used in high school.