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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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