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Generating An Algebraic Expression For The Polynomial; Financial Calculations - HP 50g User Manual

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Generating an algebraic expression for the polynomial

You can use the calculator to generate an algebraic expression for a
polynomial given the coefficients or the roots of the polynomial.
resulting expression will be given in terms of the default CAS variable X.
To generate the algebraic expression using the coefficients, try the
following example. Assume that the polynomial coefficients are
[1,5,-2,4]. Use the following keystrokes:
‚Ϙ˜
„Ô1‚í5
‚í2\‚í4@@OK@@—@SYMB@ Generate symbolic expression
`
The expression thus generated is shown in the stack as: 'X^3+5*X^2+-
2*X+4'
To generate the algebraic expression using the roots, try the following
example. Assume that the polynomial roots are [1, 3, -2, 1]. Use the
following keystrokes:
‚Ϙ˜@@OK@@
˜„Ô1‚í3
‚í2\‚í1@@OK@@˜@SYMB@Generate symbolic
`
The expression thus generated is shown in the stack as:
To expand the products, you can use the EXPAND command.
The resulting expression is: '

Financial calculations

The calculations in item 5. Solve finance.. in the Numerical Solver
(NUM.SLV) are used for calculations of time value of money of interest in
the discipline of engineering economics and other financial applications.
This application can also be started by using the keystroke combination
„Ò (associated with the 9 key). Detailed explanations of these
types of calculations are presented in Chapter 6 of the calculator's user's
guide.
'(X-1)*(X-3)*(X+2)*(X-1)'.
X^4+-3*X^3+ -3*X^2+11*X-6'
Select Solve poly...
Enter vector of coefficients
Return to stack.
Select Solve poly...
Enter vector of roots
expression
Return to stack.
.
The
Page 6-8

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