Solving An Equation - Sharp EL-5230 Operation Manual

Solving an equation

Example
Try finding the variables in the equation below.
=
C D
A B
Press b 0 to select the NORMAL mode.
1.
Press ; A k ; B ;
2.
= ; C k ; D.
• You must enter the whole equation.
Press I 5.
3.
• The calculator automatically calls the
display for entering variables and
displays the variables in alphabetical
order.
• indicates that there are more
variables.
• If a variable already has a value, the calculator displays that value
automatically.
Press 10 e.
4.
• Enters a value for known variable A.
• The cursor moves onto the next
variable.
5. Press 5 e.
• Enters a value for known variable B.
Press 2.5 e.
6.
• Enters a value for known variable C.
• The cursor moves onto the next
variable.
variable.
Press @ h.
7.
• After showing the 'calculating!' display,
the calculator finds the value for the
unknown variable that was indicated
by the cursor.
indicates that this is the last
Chapter 3: Scientific Calculations
NORMAL MODE
A˚B=C˚D_
A˚B=C˚D
A=z
A˚B=C˚D
B=z
A˚B=C˚D
C=z
A˚B=C˚D
D=z
D=
R¬
L¬
Values of the left-hand side
of the equation
Values of the right-hand side
of the equation
0.
0.
0.
0.
0.
20.
50.
50.
53