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J „ä Prepare a list of variables to be purged
@@@n@@ Enter name of variable N
@I©YR@ Enter name of variable I%YR
@@PV@@ Enter name of variable PV
@@PMT@@ Enter name of variable PMT
@@PYR@@ Enter name of variable PYR
@@FV@@ Enter name of variable FV
` Enter list of variables in stack
I@PURGE Purge variables in list
Before the command PURGE is entered, the RPN stack will look like this:
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: e
x
-
sin(πx/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™‚Å 0™
K~e~q`
Function STEQ
Function STEQ, available through the command catalog, ‚N, 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.
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