v2.0.0

New:

• Internal calculation system
• Decimal factorials
• Prevent the presence of two decimal separators in the same number
• Brazilian translation (@Bardock88)
• Taiwanese and Hong Kongese translation (@alecchangod)
• Spanish translation

Fixed:

• History scroll (@MahmoudRH)
• Result accuracy
• Backspace with grouping separators
• Display "Math Error" instead of "NaN" (@lefterisgar)
• Landscape mode for 10 inch tablet
• Backspace after equal button
• Crash when tapping on history result
• Some formating expression issues
• Several other fixes