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4. Calculator and Conversion
Provides basic arithmetical, memory operations as well as percentage
and square root.
Provides Engineering calculations such as functions, trigonometry,
logarithm, angle and radian conversions.
Provides dress, shoes, hat size comparison charts of America, Britain,
Japan, Germany, Europe, etc.
Provides conversation function of 110 currencies and 2 user-defined
currencies, as well as the exchange rate setting.