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Solving equations with one unknown through
NUM.SLV
The calculator's NUM.SLV menu provides item 1. Solve equation.. solve
different types of equations in a single variable, including non-linear
algebraic and transcendental equations. For example, let's solve the
equation: ex-sin(
π
x/3) = 0.
Simply enter the expression as an algebraic object and store it into
variable EQ. The required keystrokes in ALG mode are the following:
³„¸~„x™-S„ì
*~„x/3™‚Å0™
K~e~q`
Function STEQ
Function STEQ will store its argument into variable EQ, e.g., in ALG mode:
In RPN mode, enter the equation between apostrophes and activate
command STEQ. Thus, function STEQ can be used as a shortcut to store
an expression into variable EQ.
Press J to see the newly created EQ variable:
Then, enter the SOLVE environment and select Solve equation…, by using:
‚Ï@@OK@@. The corresponding screen will be shown as:
SG49A.book Page 9 Friday, September 16, 2005 1:31 PM
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