Integration, Integration -1, Calculus and symbolic manipulation – HP 48g Graphing Calculator User Manual

Page 241

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Calculus and Symbolic Manipulation

Integration

You can calculate symbolic integrals for expressions with known

antiderivatives (indefinite integrals). You can also estimate the

numeric value of those and other integrals.

Numeric Integration

Numeric integration lets you approximate a definite integral—

even when symbolic integration can’t generate a closed-form result.

Numeric integration employs an iterative numeric procedure to obtain

the approximation.

fine

inl

liti

Press

SYMBOLIC)

to open the

2 Llit(j the expression to be integiated in the

the integral sign).

3. Enter the variable of integration in the VFlF!i! field.

E form,

field (without

4. Enter the limits of integration in the i

and h

fields. For

numeric integration, the limits must be numbers or algebraic

expressions that evaluate to numbers.

5. Make sure the RESULT field says

necessary.) You will see the
the result type is

■ leric (press (V-). if

field appear when

neric. Tt is important because the number

display format determines the accuracy factor for the numeric

integration.

Calculus and Symbolic Manipulation 20-1

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