HiPER Scientific Calculator is described as 'Scientific calculator with arbitrary precision and portrait and landscape mode. Fraction and periodic numbers support. Looks like a real calculator! The calculator has up to 100 digits of significand and 9 digits of exponent' and is a Calculator in the education & reference category. There are more than 25 alternatives to HiPER Scientific Calculator for a variety of platforms, including Android, iPhone, Web-based, iPad and Windows apps. The best HiPER Scientific Calculator alternative is Google Calculator, which is free. Other great apps like HiPER Scientific Calculator are GeoGebra Scientific Calculator, Windows Calculator, NumberHub and RealCalc Scientific Calculator.