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# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content
:calculus
limit, function, partial limit, sided limit
:datatype, function
operation, limit
:, Sided limit
:
$submit1
f(x) =
<input name="formula" type="text" size="25" value="x/abs(x)">
for
<input name="variable" type="text" size="3" value="x">
towards
<input name="formula2" type="text" size="10" value="0">
<select name="option">
<option value="plus">from the right</option>
<option value="minus">from the left</option>
<option value="both">from both sides</option>
</select>
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