Casio FX-115MSPLUS Manual De Usuario

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22
Engineering Notation Calculations
 2  3
Deg r ee?
EQN
• Example 1: To convert 56,088 meters to kilometers
→ 56.088 10
3
56088 
=
 
J
(km)
• Example 2: To convert 0.08125 grams to milligrams
→ 81.25 10
–3
0.08125 
=
 
J
(mg)
Equation
Calculations
The EQN Mode lets you solve equations up to three de-
grees and simultaneous linear equations with up to three
unknowns.
Use the 
F
 key to enter the EQN Mode when you want
to solve an equation.
EQN ..........................
F
 
F
 
1
 (fx-95MS)
F
 
F
 
F
 
1
 (Other Models)
Quadratic and Cubic Equations
Quadratic Equation: 
ax
2
 +
 bx 
+
 c 
= 0
Cubic Equation: 
ax
3
 +
 bx
2
 +
 cx 
+
 d 
= 0
Entering the EQN Mode and pressing 
r
 displays the ini-
tial quadratic/cubic equation screen.
Use this screen to specify 2 (quadratic) or 3 (cubic) as the
degree of the equation, and input values for each of the
coefficients.
0.
a?
Element value
Coefficient name
Arrow indicates
direction you
should scroll to
view other
elements.