Question about Texas Instruments TI-89 Calculator
What do you want to do with it? If you want just to enter it, you do so on the command line.
Here are exemples of solutions
Under [Mode][F2] exact/aprox set to exact
solve(x^2+x-5=0,x) finds the exact solutions the top ones
Under [MODE][F2] Exact/Aprox set to Approximate you get approximate numerical solutions, the bottom ones.
There is another command nSolve( which solves numerically for an equation. You can specify a range of values where solution is suspected to be.
Hope it helps
Posted on Sep 13, 2009
No need to enter R squared. If it has meaning it will display in the stats variables screen ( 2nd F7 ).
Hope it helps.
Posted on Sep 14, 2009
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