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Sample: Graph, Calculation: GEOMECA (Geometric calculator), which is Scientific calculator software, performs calculation such as statistics, matrix, differention, complex numbers, integral, etc. and draws graphs of functions.

 

  Function of the the 1st, 2nd degree

   

   Function of the 1st degree

Xmin=-10, Xmax=10, Xscl=1

 Ymin=-10, Ymax=10, Yscl=1

Fomula:

   2x         :RGB(0,0,128)=blue

   1/2*x   :RGB(255,0,0)=red   

   2x+4     :RGB(128,0,255)=light blue

  -2x        :RGB(255,255,0)=yellow

 

Function of the 2nd degree

y=ax^2

Xmin=-7, Xmax=7, Xscl=1

 Ymin=-7, Ymax=7, Yscl=1

Fomula:

   2x^2,           x^2 ,           1/2*x^2    

  -2x^2,         -x^2,          -1/2x^2       

 

y=ax^2+q

 Xmin=-7, Xmax=7, Xscl=1

 Ymin=-3, Ymax=10, Yscl=1

Fomula:

        1/2*x^2,     1/2*x^2+3

 

y=a(x-3)^2

  Xmin=-4, Xmax=10, Xscl=1

 Ymin=-3, Ymax=10, Yscl=1

Fomula:

      x^2,     (x-3)^2

 

y=a(x-p)^2+q

  Xmin=-4, Xmax=10, Xscl=1

 Ymin=-9, Ymax=6, Yscl=1

Fomula:

      -x^2,     -(x-5)^2+4

 

y=ax^2+bx+c

  Xmin=-10, Xmax=10, Xscl=1

 Ymin=-10, Ymax=10, Yscl=1

Fomula:

      x^2+2x-3,     -(x-2)(x+3)

 

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