CASTI-89 TITANIUM · CALC89
getDenom(
Returns the denominator of a fraction after the expression has been reduced to a common denominator.
Syntax
getDenom(expr)
- Group
- Algebra
- Arguments
- Takes one expression.
- Availability
- Included
- Menu path
- F2 Algebra ▸ Extract ▸ getDenom(
Example
| Input | Result |
|---|---|
| getDenom(3/(x+2)) | x+2 |
Typing getDenom(3/(x+2)) on the home screen and pressing ENTER returns x+2.
Keystrokes on the TI-89 Titanium
F2▶×32
The same key sequence inserts getDenom( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- 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.
- polyDegree(Returns the degree of a polynomial, the highest power of the variable that occurs.
- polyGcd(Returns the greatest common divisor of two polynomials.