Casio CFX-9970G Algebraic Expressions - Manual (Page 15)

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20-7 ALGBR Mode Precautions
• When an input expression cannot be processed any further, the expression
displayed as the result of an operation will be identical to the input expression.
• It may take a considerable amount of time for a result to appear. This does not
indicate malfunction.
• Note that there may be a variety of different formats that can be used to
express a result. Because of this, even if the format of a result may displayed
by the calculator does not match the format that you need for your purposes, it
does not necessarily mean that the result is wrong.
Regardless of whether intervals are continuous or discontinuous, this calculator
performs definite integral calculations by first obtaining an indefinit integral. Based
on this result, it then obtains a definite integral.
f ( x )
F ( x ): primitive function of f ( x )
∫
f ( x ) dx = F ( b ) – F ( a )
b
a