How to calculate integration in fx-991ms
Syntax is $( function,lower bound,upper bound) =
Press the Integral key. $(
Type in the function eg. sin
Type the variable: SHIFT ) to enter X
Type in a comma separator ,
Type in the lower bound of the integral
Type in a comma separator ,
Type in the upper bound
Close the right parenthesis )
Press = to get the result.
Note: You have to wait for the calculator to return with the answer. Some calculations may require time to perfor.
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