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This calculator cannot find eigenvalues and eigenvectors of matrices for you. The calculator does have many row and column operation that you can use to solve your problem. You need to know the theory of matrices, determinants, and some eigenvalue and eigenvector finding algorithms.
It is a calculator and prqactically every button is a MATH button. It
depends on what MATH you intend to do. Put the calculator in Run/Mat
screen then press the OPTN key. You will see several tabs. Press the
function key under a TAB and explore what is offered. Go through all the
keys (F6 also) and see what the new tabs do. In general it is most helpful to read the manual that shipped with the calculator.
Press MENU, then select RUN and press EXE. Press SHIFT MENU to access the SetUp. Move cursor to highlight Angle. In the botton of screen you see the Deg TAB. Activate it by pressing F1. Here is a screen capture.
Look it's simple in the calculator the default base is 10 so when you input log 3 its log 3 base 10 so: maybe you know in math log x base y = log x / log y . So if you need log 3 base 3 its => log 3 / log 3 (by the way its 1)
Hi. Many of the fx 9750's functions are hidden; they are accessed via the 6 grey F keys under the display. To use Int, Frac, Abs functions, after you turn on your calculator, in normal mode (menu 1 selection), press [OPTN] [F6] [ F4]
This will give you the number menu, containing Abs, Int, Frac, Rnd and Intg
Int is the F2 key. Press [F2] first, then enter number or variable. Int value will be shown.