Casio FX260HA User Manual
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FX 260 Training guide
Internal Rounding
Calculates internal rounding based on the number of decimal places you have on the
display. For example, set the calculator to 3 fixed decimal places.
Press [200] [÷] [7] [=]
Press [SHIFT] [RND]. This will truncate the number at 3 decimal places.
Press [x] [14] [=]
(The answer displayed is 399.994).
Probability
Random number generation
[SHIFT] [RAN#] Generates a random number between 0 and 0.999.
Permutations and combinations
[SHIFT] [nPr] A permutation is a selection of objects in which the order matters.
Example: To determine the number of possible different
arrangements using 4 items selected from 10 items.
[10] [SHIFT] [nPr] [4] [=] 5040
[SHIFT] [nCr] A combination is a selection of objects from a collection and order
is irrelevant.
Example: To determine the number of different combinations of 4
items selected from 10 items. [10] [SHIFT] [nCr] [4] [=] 210
Factorials
[SHIFT] [x!] Calculates the factorial of a number. Example: [5] [SHIFT] [!]
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References the Casio FX-260 Solar User’s Guide Casio FX-260 Scientific calculator