Texas Instruments TI-89 Calculator "fnint" Questions

...calculate Hi, Yes you can calculate numerical values of in tegrals. The function is called fnInt(. It is accessible through the CATALOG of commands: [2nd][0](CATALOG) and press [COS](F) to ...

if I want to program in the integral ...what symbol do i use? If you want to compute the integral, use the fnInt( function on the MATH menu. If you want the integral sign in a string, forget it.

Is it possible to find out integral in TI-83 Plus? Yes, if you want a numerical answer. Use the fnInt() function in the MATH menu. No, if you want a symbolic answer.

...example, to find the value of a where the integral of sin(x) from 0 to a equals one, enter solve(fnInt(sin(X),X,0,A)-1),A,1.5) solve( and fnInt( are accessible through the CATALOG. The 1.5 is an ...

...the calculus menu (2nd [CALC]). You'll find nDer, der1, and der2 for numerical differentiation and fnInt for numerical integration. You'll find full details on these functions in the "Math,

...][ALPHA] B to store the X value of the second intersection point in B. Use the CATALOG to paste the fnInt( command to calculate the integral : [2nd][CATALOG][[APLHA] F and scroll to select fnInt( and ...