Sharp EL-9650 Operation Manual page 87

B3
• Enter the mode to solve simultaneous linear equations
with three unknown values by pressing
.
The input screen shown on the right will appear.
Equation types are displayed on the top of the screen.
The list of coefficients (a, b, c, d) allowed for input (the cursor pointer is located on
the first line of a) is displayed below.
Only 4 coefficients are displayed at a time. Use the <> to scroll the screen.
Input values are displayed on the very bottom of the screen.
® ® —
1. Input each coefficient of equation 1 by entering:
® —
3 4
2. Input each coefficient of equation 2 by entering:
® ®
2 8
Ï
3. Complete coefficient input by entering:
4 2
4. Press
displayed on-screen.
Answer: X=3
Y=2
Z=4
Ï B 2
• To solve simultaneous linear equations with two to six unknown values, first select
using
procedure mentioned above.
Ï C
3. [C POLY]
• It is possible to solve polynomial equations using this function.
• Press
screen shown on the right will appear.
[2 2] solves quadratic equations.
[3 3] solves cubic equations.
® —
® ®
5
® ®
3 2
1 20
to execute calculation. The results are
3
(or
to enter the mode which solves polynomial equations. The
Ï
®
®
3
6
to ), then enter coefficients using the
77
MANUAL CALCULATIONS