Built-in formulas, Fo rmu l a no, No t – Casio fx-50F PLUS User Manual
Page 57: 03 :he r onfo rmu l a, Using built-in formulas

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A Complement/Inversion (Not)
Returns the complement (bitwise inversion) of a value.
Example: Not(1010
2
) = 1111110101
2
X(LOGIC)e2(Not)1010)
E
A Negation (Neg)
Returns the twos complement of a value.
Example: Neg(101101
2
) = 1111010011
2
X(LOGIC)e3(Neg)
101101)E
Built-in Formulas
Your calculator has 23 built-in formulas for mathematics and physics, which can be used in
the COMP Mode.
k
Using Built-in Formulas
A Selecting a Built-in Formula by Its Formula Number
1. Press
G.
• This will display the message “Formula No.?”.
2. Input the two-digit formula number (01 to 23) of the formula you want to recall.
• For a list of formulas and their numbers, see the “Built-in Formula List” (page 58).
\
Fo rmu l a No . ?
–06–
0
Q
A Selecting a Built-in Formula by Scrolling
1. Press
G.
2. Use
c and f to scroll through the built-in formulas until the one you want to recall is
on the display.
A Performing Calculation with a Built-in Formula
The following example shows how to use Heron’s formula to determine the area of a triangle
when the lengths of its three sides (8, 5, 5) are known.
Operation Procedure
Recall Heron’s formula:
Gccc
No t
(
10 10
)
1111110101
b
No t
(
10 10
)
1111110101
b
Ne
g (
10 110 1
)
1111010011
b
Ne
g (
10 110 1
)
1111010011
b
03 :He r onFo rmu l a
03 :He r onFo rmu l a