Stable release, includes bugfixes. New features include an extrema/extremum calculator and a Taylor Approximation feature using Taylor Polynomials. All changes:
v1.3.8:
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Delete all logos of sub-calculators except main screen.
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Smart recognition and parsing, including more input tolerance, implicit multiplication support, etc.
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More symbols are supported.
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More support for complex number calculation.
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Added extrema calculator.
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Simplified code.
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Fixed equation solver bugs.
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Added Taylor Polynomial Approximation (Generate a Taylor Polynomial and use it to approximate a value of a function)
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Implementation of inverse hyperbolic functions acsch, asech, and acoth using hyperbolic identities.