Instantly generate pin charts for master keying cylinders

Features:
-Calculate 2, 3, or 4 keys at a time with pin lengths of 4, 5, 6, or 7.
-Easy to use interface: Every text field "autotabs" so there is no need to tap on every box.
-All master pins are displayed just as a cylinder would be pinned.
-Picking calculator measures the difficulty from a range of zero (easiest) to ten (hardest)
-on every chart created.
-System selector provides the appropriate driver/top pins, checks for any MACS and pin violations
-by highlighting the offending cuts, grants ability to convert bittings
-into pin sizes for 3-thousandths and 5-thousandths pin kits, and calibrates the picking calculator.
-Ability to change the value of zero to equal 10 when not utilizing
-a system (automatically selects the appropriate value for each system).
-Landscape mode for a larger readout.
-Most popular pinning charts are readily available, providing both bottom and
-top pin sizes as well as key depths.