CASTI-89 TITANIUM · CALC89
propFrac(
Rewrites a fraction as a proper fraction: a whole part plus a remainder fraction. It works for numbers and for rational expressions in a variable.
Syntax
propFrac(expr[, var])
- Group
- Algebra
- Arguments
- Takes the expression and an optional variable for rational expressions.
- Availability
- Included
- Menu path
- F2 Algebra ▸ propFrac(
Example
| Input | Result |
|---|---|
| propFrac(7/3) | 2+1/3 |
Typing propFrac(7/3) on the home screen and pressing ENTER returns 2+1/3.
Keystrokes on the TI-89 Titanium
F27
The same key sequence inserts propFrac( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
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- solve(Solves an equation or inequality for a variable and returns the real solutions, joined with or.
- tCollect(Collects products and integer powers of sines and cosines into sines and cosines of multiple angles.
- tExpand(Expands sines and cosines of sums and multiple angles into products of sines and cosines of single angles.
- when(Returns one of several values depending on whether a condition is true, false or undecided.
- zeros(Returns the real values of the variable that make an expression zero, as a list.
- approx(Evaluates an expression numerically and returns a decimal approximation, even when the calculator is in exact mode.
- cFactor(Factors an expression over the complex numbers, so factors with non-real coefficients such as x+ⅈ are allowed.