How can I calculate combinations (nCr, nPr) with fx-991ES PLUS?
SOURCE: mode change
Hello,
Just so that we know what we are talking about. The natural display is the display mode in which fractions appear on two lines, radicals appear as radicals, log can be calculated in any base, etc. If that is what you understand by Natural Display, we are in agreement.
To set this mode, you turn calculator ON and press [SHIFT][MODE] (setup). The option is called MathIO, and it has the number 1.
Thus [SHIFT][MODE][1:MathIO].
Hope it helps.
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SOURCE: I can't find the combinations
In
Run screen, enter the number whose factorial you want to calculate (
number can be at most equal to 69), press [OPTN][F6] to get to next page of menus.
For factorials
For combinations
For permutations
To convert a single answer from symbolic to decimal, press the S--D key (just above the DEL key). To have all answers come out in decimal format, press SHIFT MODE 2 to switch to the LineIO mode.
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