Casio FX-991W - Integral Calculations

Enter REG mode {Quadratic regressic
& 1 2 ) !>} 13,i
§23 © O
23 CD 1.6 m) 50 CD 23.5 f 3
74 CD 38.0 HD 103 CD 48.4 @3
118 CD 48.0 @3
{Regression Coefficient A) 0 GD Of
(Regression Coefficient 3) @ GO O)
(Regression Coefficient C). 01 © SO
(v whenxi* 16)-. 16 0 CO
(jr< when yi = 20) 20 S CO
{x-i when yi = 20) 0) CO
Data Input Precautions
* (IS @3 inputs the same data twice.
* You can also input multiple entries of the same data us¬
ing @ CD. To input the data "20 and 30” five times, for
example, press 20 CD 30 -S GD 5 GDI
* The above results can be obtained in any order, and not
necessarily that shown above:
« To delete data you have just input, press @ GOD.
■ iplex Number Calculations
PLX Mode)
• Press @ dD to enter the CM PLX Mode for calculations
that include complex numbers.
• You can use variables A, B, C and M only. Variables D,
E, F, X, and Y are used for storage of the imaginary parts
of values and so cannot be used by you.
• 23 ®