Helveticalc app for iPhone and iPad

#1 paid utility app in Belgium, Switzerland and France. (Aug 20, 2013)
"Helveticalc : a calculator in the era of iOS 7." - iGeneration

Helveticalc is a stylish calculator, inspired by helvetica.

NO EQUAL BUTTON
When you type, the answer is instantly always visible.

EASY TO COMPARE
You can use up to 9 calculators with color and labels.

MULTI TOUCH GESTURES
Horizontal swipe to change calculators.
Swipe up to remove a calculator.
Long press and drag to change the order of calculators.
And, in the same way to change the order of unit lists.

SIMPLE, BUT POWERFUL
It also contains unit converters.
Supported units - currency, area, energy, length, power, pressure, speed, temperature, time, volume, weight.

It’s simple, modern, brilliant, elegant and flat-out cool!