Using Solve - Casio fx-570ES User Manual

• To exit CALC, press A.
• If the expression you are using contains more than one variable,
an input prompt appears for each one.
Appendix
<#016> Calculate an
from a
a = 21)
5
*1 Assigns 1 to a
*3 Value of a
*5 Assigns 2 to
*7 Value of a

Using SOLVE

SOLVE uses Newton's Method of approximation to solve an equation.
You can use SOLVE in the COMP Mode (N1) only.
k Rules Governing Equations when Using
SOLVE
• You can use the following types of syntax for the solution variable.
Example: Y = X + 5, Y (Solves for Y.);
XB = C + D, B (Solves for B.)
The following shows the syntax for the log function.
Y = X × log(2
Y = X × log(2,Y
Y = X × log(2,Y) (When the variable specification ",X" is omitted,
• Unless you specify otherwise, an equation is solved for X.
Example: Y = X + 5, X = sin(M), X + 3 = B + C,
XY + C (Treated as XY + C = 0.)
• SOLVE cannot be used to solve an equation that contains an
integral, derivative,
multi-statement.
10=
= an + 2
+1
to a . (Results: a
2 5
.
1
2
n
.
4
(When the variable specification ",X" is omitted,
the equation Y = X × log
(When the variable specification ",Y" is included,
the equation Y = X × log
the equation Y = X × log
Σ
( function, Pol( function, Rec( function, or
s
(or=)
n
(a = 1) as the value of an changes
1
= 3, a
2
*2 Assigns 1 to
*4 Assigns value to a
*6 Value of a
*8 Value of a
E-29
= 7, a
3
n
.
3
5
(COMP)
2 is solved for X.)
10
2 is solved for Y.)
10
Y is solved for X.)
2
= 13,
4
.
2