CASTI-89 TITANIUM · CALC89
nSolve(
Finds one real solution of an equation numerically. Use it for equations that solve( cannot handle in exact form.
Syntax
nSolve(equation, var[, low, high])
- Group
- Algebra
- Arguments
- Takes the equation and the variable, with optional lower and upper bounds for the search.
- Availability
- Included
- Menu path
- F2 Algebra ▸ nSolve(
Example
| Input | Result |
|---|---|
| nSolve(x^2=2,x) | 1.41421356237 |
Typing nSolve(x^2=2,x) on the home screen and pressing ENTER returns 1.41421356237.
Keystrokes on the TI-89 Titanium
F28
The same key sequence inserts nSolve( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- 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.
- polyQuotient(Divides one polynomial by another and returns the quotient, as in polynomial long division.
- polyRemainder(Divides one polynomial by another and returns the remainder, as in polynomial long division.
- polyRoots(Returns the real roots of a polynomial as a list.
- propFrac(Rewrites a fraction as a proper fraction: a whole part plus a remainder fraction.