Equation SOLVE modes

Polynomial solvers

Press MODE button to show mode dialog

Supported solvers

• Quadratic: ax2+bx+c=0
• Cubic: ax3+bx2+cx+d=0
• Quartic: ax4+bx3+cx2+dx+e=0
• Quintic: ax5+bx4+cx3+dx2+ex+f=0

a,b,c,d,e,f are parameters

Steps to solve an equation

Example

Solve the following cubic equation: 3x3−16x2+23x−6=0

Steps

1. Tap MODE to show mode dialog

   

2. Select cubic polynomial solver mode

   

3. Enter coefficients

   a = 3
   b = -16
   c = 23
   d = -6

   

4. Press = or SOLVE to solve equation

   

5. Use arrow keys ▲ ▼ or = to toggle through the solutions

   

6. Press ▼ down key

   

7. Press ▼ down key

   

8. Press = or AC to back to main screen