Calculy is a free calculator for iPhone and iPad. Small yet mighty and totally ad-free.

Go beyond basic calculations with Calculy’s full range of functions:

• unit converter with more than 220 units from 16 sections (including currencies with daily updated rates)
• percentages
• square, cube and nth power
• square root, cube root and nth root
• logarithm, natural logarithm, common logarithm
• factorial, reciprocal
• rounding
• exponentiation to the power of 2, 10, e
• Pi, e Euler's number, random numbers
• sine, cosine, tangent
• arcsine, arccosine, arctangent
• hyperbolic sine, hyperbolic cosine, hyperbolic tangent

The expanded layout for iPad handily displays all available function keys. Hardware keyboard is supported on the iPad.