Table of Contents
Advertisement
Chapter 5: Equation Solvers
Example 2
3
2
5x
+ 4x
Press b 3 3 to select
1.
CUBIC of the EQN mode.
2.
Enter the value of each coefficient (a, etc.)
5 e 4 e 3 e 7
• Coefficients can be entered using ordinary arithmetic operations.
• To clear the entered coefficients, press j.
• Press d or u to move line by line. Press @ d or @
u to jump to the last or top line.
3.
After inputting the last coefficient,
press e to solve the cubic
equation.
• After solving, press e or j to
return to the coefficient entering display.
You can use @ h to solve the
cubic equation, regardless of the cursor
position.
72
+3x + 7 = 0 → x = ?
a=z
b=
c=
X⁄–1.233600307
X¤ 0.216800153
+1.043018296i
-
0.
0.
0.
Advertisement
Table of Contents
