How to quickly solve a quadratic equation

02182016, 05:20 AM
Post: #8




RE: How to quickly solve a quadratic equation
(02182016 02:19 AM)MattH Wrote: using the [[]] template That will be a matrix template. To do a simple vector, just press SHIFT5. Press the [,] key to move to the next item. Note that if you accidentally made a matrix and the cursor is inside the matrix and there is no more then 1 row), just press SHIFT5 and it will toggle it back to a vector. proot([1,2,25,26,120]) > [5.,3.,2.,4.] Quote:Finally, do you know of a way to quickly select the proot() command without searching through that entire list of commands in the toolbox catalog? Toolbox>CAS (button on the bottom of the screen)>Polynomial>Find Roots TW Although I work for the HP calculator group, the views and opinions I post here are my own. 

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