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TI NSPIRE SOLVE FOR X HOW TO

For example, nSolve(x 2=81,x) gives you 9 instead of. The numerical solve feature (Menu > Algebra > Numerical Solve) doesn't work correctly if the equation you're solving has more than one answer.Mouse over various points on the graph, and the derivative will show up as a light gray number. Menu > Analyze Graph > dy/dx is a quick way to get the derivative at various points of a function you've graphed.The Nspire will automatically set the function to zero and solve for that variable. That means that you have to type a polynomial in, then a comma, and then the name of the variable you want to solve for. For example, the polyRoots function needs (Poly, Var) inside the parentheses.The bottom of the screen will show you what you have to put in between the parentheses to get a function to work.

TI NSPIRE SOLVE FOR X HOW TO

If you want to learn how to use a function, type the first letter of its name, then scroll down and highlight the function you're interested in.

Press the book key (above the division symbol) to get all of the calculator's functions listed in alphabetical order.

(It's to the left of the left arrow key.)

You can switch quickly between the main calculator and graphing screens using the button with the picture of a calculator on it.

If you're going to use it on a standardized test, where speed really matters, plan to spend a couple of months getting used to your calculator.

The Nspire has a steep learning curve, so don't buy one unless you can devote several weeks to learning it.

It's allowed on the SAT and on any SAT Subject Tests and AP tests that will let you use a calculator.

In any case, if you need to show your work to receive credit, you'll have to know how to do problems by hand.

Most calculus teachers allow the use of the Nspire, but their tests may include non-calculator sections.

The Nspire will make it easy for you to check your work, as it will solve most math problems if you set them up correctly.

Make sure to get the CAS version, as the regular one doesn't have the algebra-solving features the Nspire is known for.

The Nspire has a regular (CX) version and a more powerful (CX CAS) version.Keep the following points in mind if you haven't bought the calculator yet: I've posted a list of videos below to help you learn the calculator and will add to the list over time. The TI-Nspire CX CAS calculator is notoriously difficult to learn.