Try to learn something about everything, and everything about somethingThomas Huxley “Darwin's bulldog” (1824-1895)

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public:calculator:guides:polynomial [28/01/26 10:23 GMT] – [DM41X : Polynomial Solver] johnpublic:calculator:guides:polynomial [16/02/26 08:51 GMT] (current) – [Further Information] john
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-====== DM41X Polynomial Solver ======+====== DM41X Polynomial Solver ======
  
 ** Advantage Pac Polynomials ** ** Advantage Pac Polynomials **
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 To find the roots of a simple quadratic (with 2 real roots) To find the roots of a simple quadratic (with 2 real roots)
  
-'' x^2 - 3x + 2 = 0 ''+'' x<sup>2</sup> - 3x + 2 = 0 ''
  
   * <key>XEQ</key> <key>ALPHA</key>PLY<key>ALPHA</key>   * <key>XEQ</key> <key>ALPHA</key>PLY<key>ALPHA</key>
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     * enter ''2'' <key>R/S</key>     * enter ''2'' <key>R/S</key>
   * Asks for ''a2=?''   * Asks for ''a2=?''
-    * the coefficient of ''x^2''+    * the coefficient of ''x<sup>2</sup>''
     * enter ''1'' <key>R/S</key>     * enter ''1'' <key>R/S</key>
   * Asks for ''a1=?''   * Asks for ''a1=?''
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     * ''RT'' = Root(s) of the entered polynomial     * ''RT'' = Root(s) of the entered polynomial
     * ''NEW'' = Enter a new polynomial     * ''NEW'' = Enter a new polynomial
-    * Choose ''RT'' (key ''B'')+    * Choose ''RT'' <key>'B'</key>
   * Display shows ''ROOT = 2.0000''   * Display shows ''ROOT = 2.0000''
     * to see next root press <key>R/S</key>     * to see next root press <key>R/S</key>
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 ===== Higher order with complex roots ===== ===== Higher order with complex roots =====
  
-Either press TAN to get the menu, and then NEW or XEQ PLY again+Either press <key>TAN</key> (''J''to get the menu, and then ''NEW'' (<key>LN</key>)  or XEQ PLY again
  
-'' 4x^4 - 8x^3 - 13x^2 - 10x + 22 = 0 ''+'' 4x<sup>4</sup> - 8x<sup>3</sup> - 13x<sup>2</sup> - 10x + 22 = 0 ''
  
 This should have 4 roots, and most likely some will be complex. This should have 4 roots, and most likely some will be complex.
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     * ''22''<key>R/S</key>     * ''22''<key>R/S</key>
   * ''FX RT     NEW''   * ''FX RT     NEW''
-    * ''RT''+    * ''RT'' <key>'B'</key>
  
 Roots are displayed: Roots are displayed:
  
-  * ''U = -1.0000'' +  * ''U = -1.0000'' <key>'R/S'</key>  
-    * <key>R/S</key> +  * ''V = 1.0000'' <key>'R/S'</key>  
-  * ''V = 1.0000'' +  * ''U = -1.0000'' <key>R/S</key> 
-    * <key>R/S</key> +  * ''V = -1.0000'' <key>R/S</key> 
-  * ''U = -1.0000'' +  * ''ROOT = 3.1180'' <key>R/S</key> 
-    * <key>R/S</key> +  * ''ROOT = 0.8820'' <key>R/S</key>
-  * ''V = -1.0000'' +
-    * <key>R/S</key> +
-  * ''ROOT = 3.1180'' +
-    * <key>R/S</key> +
-  * ''ROOT = 0.8820'' +
-    * <key>R/S</key>+
   * ''FX RT    NEW''   * ''FX RT    NEW''
  
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 ===== Cube Roots of minus 8 ===== ===== Cube Roots of minus 8 =====
  
-If x is the cube root of minus 8 then '' x^3 = -8 '' and as a polynomial '' x^3 + 8 = 0 ''+If x is the cube root of minus 8 then '' x<sup>3</sup> = -8 '' and as a polynomial '' x<sup>3</sup> + 8 = 0 ''
  
-Simply use ''0'' as the coefficient of X^2 and x+Simply use ''0'' as the coefficient of X<sup>2</sup> and x
  
   * <key>XEQ</key> <key>ALPHA</key>PLY<key>ALPHA</key>   * <key>XEQ</key> <key>ALPHA</key>PLY<key>ALPHA</key>
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   * ''a0=?'' ''8'' <key>R/S</key>   * ''a0=?'' ''8'' <key>R/S</key>
  
-  * ''RT''+  * ''RT'' <key>'B'</key>
     * ''ROOT = -2.0000'' <key>R/S</key>     * ''ROOT = -2.0000'' <key>R/S</key>
     * ''U = 1.0000''  <key>R/S</key>  ''V =  1.7321''     * ''U = 1.0000''  <key>R/S</key>  ''V =  1.7321''
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 +Page updated : ~~LASTMOD~~

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