QTABLE-Produces a table of values for all algebraic and many rational functions.

CORREL-Calculates coefficient of linear correlation based on pairs of data supplied py the user.

INTEGR-Approximates a definite integral by using a Riemann sum for a user supplied function.

QUADEQ-Will solve any quadratic equations in the form: ax^2 + bx + c = 0.

SIGDIG-Raises any integer to any other integer and prints all significant digits.

EQUA-Shows the step-by-step solution to an equation of the form AX + B = CX + D.

SIMEQ2-Solves any system of two linear equations in two unknowns.

SIMEQ3-Solves any system of three linear equations in three unknowns.