Internal Rounding; Probability; Random Number Generation; Permutations And Combinations - Casio FX260HA Training Manual

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#]

Permutations and combinations

[SHIFT] [nPr]
[SHIFT] [nCr]
Factorials
[SHIFT] [x!]
References the Casio FX-260 Solar User's Guide
Generates a random number between 0 and 0.999.
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
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
Calculates the factorial of a number. Example: [5] [SHIFT] [!]
6
Casio FX-260 Scientific calculator