Casio MS 300M User Guide - Page 5

FX 300 MS Training guide Powers/Square Roots/Cube Root, nth roots To square a number: Use the [x2] key Example: [5] [x2] [=] 25 To cube a number: Use the [x3] key Example: [3] [x3] [=] 27 To raise a number to a power Use the [∧] key (other than 2 or 3): Example: [2] [∧] [4] = 16 To find a square root: Use the [ ] key Example: [ ] [25] [=] 5 To find a cube root: Use the [ 3 ] key Example: [SHIFT] [ 3 ] [27] [=] 3 To find a root Use the [ x ] key (other than square or cube root): Example: [4] [SHIFT] [ x ] [81] = 3 To find a reciprocal: Use the [x-1] key Example: [5] [x-1] [=] .2 Note: Press [a b/c] and the display will change to 1/5. Probability Calculations/ Random Number/ Factorials Permutations A permutation is a selection of objects in which the order of the objects matters. Example: To determine the possible number of different arrangements using 4 items selected from 10 items. [10] [SHIFT] [nPr] [4] [=] 5040 Combinations 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] [nCr] [4] [=] 210 Factorials To calculate a factorial, use [SHIFT] [x!] Random Number To generate a random number between 0 and 1, press [SHIFT] [Ran#] [=] 5 References the Casio FX-300 MS User's Guide Casio FX-300MS Scientific calculator