Math done simply.
Sumhold instantly calculates and stores numbers with a streamlined interface and a simple swipe gesture. Need to remember a number? Just swipe it down to the number pad to save it as a button.
Sumhold also keeps track of long calculations in an easy-to-read line. It shows a running total and eliminates confusing buttons present on other calculators.
# Swipe to Remember
# Running Total
# Tracks long calculations
# Automatic parentheses for redability
# Copy/Paste Support