Calculators on computers tend to follow one of two paths. Some are simply digital recreations of the physical object. Their number pad is made of pixels instead of plastic, and they generally are poorly made to handle anything more than a simple arithmetic operation.
The second line of calculation app can be seen in spreadsheets, which rely on the keyboard much more heavily and are also capable of significantly more advanced operations. The iPad hasn’t seen many great, pure calculation apps. Tydlig — funny name, yes — tries to prove that math can be as intuitive as Apple’s iPad. (more…)