Question about Casio FX-115ES Scientific Calculator
Press the [MODE] button 3 times then 1 to enter EQN mode. Then press the right pointing arrow. You can select the degree of the polynomial (2 or 3) or press again the right pointing arrow to select the number of unknowns for simultaneous linear equations( 2 or 3).
The form of the equations are as follows.
Posted on Jul 25, 2010
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Posted on Jan 02, 2017
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