Using the "long press" gesture will display a hint about any key. (Video: Displaying a hint) You can inspect the Key Details to see the formulas and functions for any key.

The List Manager is used to inspect and edit the lists.

Label

Description

y est

Extrapolates a value for y for the given x based on existing values in the x, y lists.

crrl

Calculates the correlation coefficient between lists x, y.

slope

Calculates the slope of the linear regression for the lists x, y.

intrcp

Calculates the intercept of the linear regression line for the lists x, y.

Σ+

Append x and y to lists x, y.

√

Calculates the square root of x.

y^x

Calculates y raised to power of x.

1/x

Calculates the reciprocal of x.

SWAP

Swaps the x and y registers.

÷

Divides y by x.

ROLL

Rolls the stack down.

×

Multiplies y times x.

−

Subtracts x from y.

%

Calculates the x percent of y.

+

Adds y to x.

Label

Description

x est

Extrapolates a value for x for the given y based on existing values in the x, y lists.