Casio CFX-9850GC PLUS Calculations Manual - Page 6

Browse online or download pdf Calculations Manual for Calculator Casio CFX-9850GC PLUS. Casio CFX-9850GC PLUS 13 pages. 6. matrix calculations
Also for Casio CFX-9850GC PLUS: Product Catalogue (16 pages), Specifications (1 pages), Communications Manual (13 pages), Program Manual (18 pages), Read This First Manual (13 pages), Function Manual (14 pages), Graph Manual (8 pages), Graph Manual (6 pages), Graph Manual (12 pages), Graph Manual (12 pages), Graph Manual (12 pages), Graph Manual (12 pages), Graph Manual (10 pages), Calculations Manual (18 pages), Calculations Manual (15 pages), Complex Numbers Manual (6 pages), Calculations Manual (6 pages), Calculations Manual (20 pages)

Print Page
Casio CFX-9850GC PLUS Calculations Manual

7-3 Quadratic and Cubic Equations

This calculator can also solve quadratic and cubic equations that match the
following formats (when
k k k k k Specifying the Degree of an Equation
While in the Equation Mode, press 2 (POLY) and then specify the degree of the
equation.
k k k k k Solving a Quadratic or Cubic Equation
1. Press 2 (3) to enter the Cubic Equation Mode.
2. Input each coefficient.
3. After inputting the coefficients, press 1 (SOLV) to solve the equations.
104
ax
bx
2
• Quadratic:
+
ax
bx
• Cubic:
3
+
• {2}/{3} ... {quadratic}/{cubic} equation
Example
To solve the following cubic equation:
x
x
3
– 2
bw-cw-bwcw
• Each time you press w, the input value is registered in the highlighted cell.
Each press of w inputs values in the following sequence:
→ coefficient
a
coefficient
Input for coefficient
• You can input fractions and value memory contents as coefficients.
a
0):
G G G G G
c
+
= 0
cx
d
2
+
+
= 0
x
2
–
+ 2 = 0
→ coefficient
b
d
is required only for cubic equations.
→ coefficient
c
d
Highlighted solution cell value