Built-In Formulas; Using Built-In Formulas - Casio fx-50F User Manual

A Complement/Inversion (Not)
Returns the complement (bitwise inversion) of a value.
Example: Not(1010
A Negation (Neg)
Returns the twos complement of a value.
Example: Neg(101101

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 .
• 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 . ?
A Selecting a Built-in Formula by Scrolling
1. Press .
2. Use and
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:
) = 1111110101
2 2
X (LOGIC)
) = 1111010011
2
101101)
–06–
to scroll through the built-in formulas until the one you want to recall is
2 (Not) 1010)
2
X (LOGIC) 3 (Neg)
\
Q
E-56
No t No t ( ( 1010 1010 ) )
1111110101 1111110101
Ne Ne g ( g ( 10 1101 10 1101 ) )
1111010011 1111010011
0
03 : He r onFormul a 03 : He r onFormul a
b b
b b