calculator lock

Lock your screen from the menu bar.

Lock your screen from the menu bar.

Simple menu bar calculator.

Shows processes blocking a file from being moved.

Single-color calculator with big convenient buttons.

Locks your Mac when you walk away.

Calculate the points needed for a Disney vacation.

Solve the four basic elements of Ohm

Calculate/compare telescope eyepiece values.

This simply scales up the speed of a model train to the speed of train.