• Large 12-digits display with very large and clear distinguishable numbers
  
  
• Large buttons enough for your fingers
  
  
• Arithmetic operations, square root, calculate using percentages, memory operations, 'call last result' button.
  
  

• 24-digit display with lots of graphic indicators
• Precedence mode - to reduce entering parenthesis (e.g. 2+2*2=6)
• Operations and conversions can be performed in binary, octal, decimal, and hexadecimal form
• Calculate basic arithmetic functions
• Calculate using percentages
• Calculate the root, square root or cube root of a number
• Raise to power functions
• Logarithmic and exponent functions
• Calculate sine, cosine, tangent, arc sine, arc cosine or arc tangent
• Calculate in degrees, radians or grads, mil, rev
• Displays results in normal, scientific, or fix mode
• Memory operations
• 'Call last result' button
• Operations with big and small numbers are supported (up to ten in 308th power or ten in minus 308th power)

and much more to explore!