Percent Calculations - Casio fx-3650P User Manual

u Inputting Statistical Data
If you select the SD Mode or REG Mode before specifying a program
number (P1 through P4), you can input statistical data as part of your
program.
• Input statistical data using the
• In addition to values, you can also input calculation expressions as data.
• Example 1: To determine
x
Frequency
30
27
32
(SD Mode) Scl: 30; 2 DT: 27 DT: 32; 5 DT:
* You do not need to specify the frequency when inputting a data item that
has a single occurrence.
• Example 2: To determine regression coefficients A, B, and C for the
following data
x
3
4
6
(REG (Quad) Mode) Scl: 3,6; 2 DT: 4,11 DT: 6,27; 2 DT: A^B^C
**A, B, and C are not variable names. They are regression coefficients.
u Memory Calculations
You can perform memory calculations in a program by inserting M+ and M–.
• Example: ... : 2 × 3 M+ : ...
u Percent Calculations
You can perform percent calculations in a program by inserting %.
• Example: ... : 250 + 280 % : ...
Note that you cannot perform percent calculations like the following in a
a b
program: %+,
×
u Rnd
You can round a value by using Rnd in a program.
• Example: 1 ÷ 3 : Rnd: ...
S
o
of the following data
2
1
5
*
y
Frequency
6 2
11 1
27 2
a b
%–.
×
key, just as you normally do (page 25).
o
*
E-43
o o o o o =
( 30.875 )
( A = 3, B = –2, C = 1 )
**