HP 48gII Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 440)

The insert cursor () will be located right at the denominator awaiting for the

user to enter an independent variable, say, s: ~„s. Then, press the

right-arrow key (™) to move to the placeholder between parentheses:

Next, enter the function to be differentiated, say, s*ln(s):

To evaluate the derivative in the Equation Writer, press the up-arrow key —,

four times, to select the entire expression, then, press @EVAL. The derivative will

be evaluated in the Equation Writer as:

Note: The symbol ∂ is used formally in mathematics to indicate a partial

derivative, i.e., the derivative of a function with more than one variable.

However, the calculator does not distinguish between ordinary and partial

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HP 48gII Graphing Calculator Bedienungsanleitung Seite 440