Casio FX 260 User Manual - Page 31

Order of, Operations and Levels

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5. Press t to turn power on. kOrder of Operations and Levels Operations are performed in the following order of prec- edence. 1. Functions 2. xy, x1/y, R →P, P →R, nPr, nCr 3. ҂, Ȗ 4. ѿ, Ҁ • Operations with the same precedence are performed from left to right, with operations enclosed in parentheses per- formed first. If parentheses are nested, the operations en- closed in the innermost set of parentheses are performed first. • Registers L through L store operations.There are six reg- 1 6 isters, so calculations up to six levels can be stored. • Each level can contain up to three open parentheses, so parentheses can be nested up to 18 times. • Example: The following operation uses 4 levels and 5 nested parentheses. 2-O OO3 +4 -OO5 +4 The table on the next page shows register contents following the above input. - 29 -

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— 29 —
5. Press
t
to turn power on.
k
Order of
Operations and Levels
Operations are performed in the following order of prec-
edence.
1. Functions
2.
x
y
,
x
1/y
, R
→
P, P
→
R,
n
P
r
,
n
C
r
3.
³
,
·
4.
±
,
²
•
Operations with the same precedence are performed from
left to right, with operations enclosed in parentheses per-
formed first. If parentheses are nested, the operations en-
closed in the innermost set of parentheses are performed
first.
•
Registers L
1
through L
6
store operations. There are six reg-
isters, so calculations up to six levels can be stored.
•
Each level can contain up to three open parentheses, so
parentheses can be nested up to 18 times.
•
Example:
The following operation uses 4 levels and 5
nested parentheses.
2
-
O
O
O
3
+
4
-
O
O
5
+
4
The table on the next page shows register contents
following the above input.