Casio FX-7400G User Manual page 20

(2) Parentheses Calculation Priority Sequence
Expressions enclosed inside parentheses are always given priority in a calculation.
Example 1
Abaa-(c+d)
*ew
Example 2
• A multiplication sign immediately in front of an open parenthesis can be omitted.
A(h-c)(i+f)
w
• Any closing parentheses at the end of a calculation can be omitted, no matter
how many there are.
Parentheses are always closed in the operation examples presented in this manual.
(3) Negative Values
Use the - key to input negative values.
Example
Afg*-bc/
-c.fw
(4) Exponential Expressions
Use the E key to input exponents.
Example
Ae.fEhf*-c.d
E-hjw
The above shows what would appear when the exponential display range is set to
Norm 1. It stands for –1.035 ! 10
P.10
Basic Calculations
100 – (2 + 3) ! 4
(7 – 2) ! (8 + 5)
56 ! (–12) ÷ (–2.5)
(4.5 ! 10 75 ) ! (–2.3 ! 10
–3 , which is –0.001035.
–79 )
Chapter 2
17