Fusion Calculator is an amazing revolutionary calculator!
You can put aside the numbers you calculated anywhere on the screen, simply by dragging them using your finger.
You can bring those numbers back again to add, subtract, multiply, or divide by another number you calculated.
Also, when you want to add-up all the numbers you have on the screen in one-touch, simply push the green button on the upper-right corner.
If you want a simple and useful calculator, this may be the one and only calculator you'll ever need!
To watch a demo, search for "Fusion Calculator" on YouTube!