New calculla released ! Please go to calculla.com for the calculla v2. It's better, faster, more beautiful, redone for you in most modern technologies.

  Two cars related tables released today: Tire codes - speed ratings and Tire codes - load index

  Just one more fractions calculator - Fractions compare calculator: the easiest way to compare fractions

  This time 3 new calculators for fractions: Fractions: adding and subtracting, Fractions: 4 operations and Fractions: inverse (reciprocal). Each of them shows all sub-steps needed to compute common denominators, create improper fraction (if needed), reduce the fraction etc.