Casio FX-9860GII-L-IH User Guide - Page 102
Application of Integration Calculation
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2-5-8 Numerical Calculations 4(MATH)6(g)1(∫dx)cvx+ dv+eebffw u Application of Integration Calculation • Integrals can be used in addition, subtraction, multiplication or division. ∫ ∫ b f(x) dx + d g(x) dx, etc. a c • Integration results can be used in addition, subtraction, multiplication or division, in functions. ∫ ∫ 2 × b f(x) dx, etc. log ( b f(x) dx), etc. a a • Functions can be used in any of the terms ( f (x), a, b, tol) of an integral. ∫ ∫ cos 0.5 (sin x + cos x) dx = (sin x + cos x, sin 0.5, cos 0.5, 1E - 4) sin 0.5 # In the Math input mode, the tolerance value is fixed at 1E-5 and cannot be changed. # In the function f(x), only X can be used as a variable in expressions. Other variables (A through Z excluding X, r, θ) are treated as constants, and the value currently assigned to that variable is applied during the calculation. # Input of "tol" and closing parenthesis can be omitted. If you omit "tol," the calculator automatically uses a default value of 1E-5. # Integration calculations can take a long time to complete. # You cannot use a differential, quadratic differential, integration, Σ, maximum/minimum value, Solve, RndFix or log ab calculation expression inside of an integration calculation term. 20050401