I assume that most graphics calculators try to solve things analytically (where possible within reasonable computing time and power). Otherwise do they use numerical approximations for definite integrals and what are they? Gaussian quadrature? Newton-Cotes?
2025-01-13 02:04:13.1736733853
What does my TI-83 or other TI graphing calculators use to numerically approach certain integrals?
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The TI documentation states that the
fInt()function of TI-83 or TI-84 Plus uses the Gauss-Kronrod method.It seems that the official documentation never discloses the number of points used, but a user's experiment indicates it is the 15-point formula.