CASTI-89 TITANIUM · CALC89
exp▶list(
Extracts the values from a solution such as x=1 or x=2 and returns them as a list. Useful when the solutions of solve( are needed in a further calculation.
Syntax
exp▶list(solution, var)
- Group
- Algebra
- Arguments
- Takes the solution expression and the variable whose values are wanted.
- Availability
- Included
- Menu path
- MATH ▸ List ▸ CAS ▸ exp▶list(
Example
| Input | Result |
|---|---|
| exp▶list(x=1 or x=2,x) | {1,2} |
Typing exp▶list(x=1 or x=2,x) on the home screen and pressing ENTER returns {1,2}.
Keystrokes on the TI-89 Titanium
2NDMATH3▶×32
The same key sequence inserts exp▶list( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- factor(Factors an expression over the rational numbers, for example a polynomial into linear and irreducible quadratic factors.
- getDenom(Returns the denominator of a fraction after the expression has been reduced to a common denominator.
- getNum(Returns the numerator of a fraction after the expression has been reduced to a common denominator.
- left(Returns the left side of an equation or inequality.
- linSolve(Solves a system of linear equations and returns the values of the variables as a list.
- nSolve(Finds one real solution of an equation numerically.
- piecewise(Defines a piecewise function from pairs of values and conditions; each value applies where its condition is true.
- polyCoeffs(Returns the coefficients of a polynomial as a list, starting with the highest power.