When performing Smith Machine squats you virtually have an infinite number of options as far as foot placement goes, which allows you to target your quads and glutes in different ways and to different degrees without any regard for maintaining your balance.
When entering time, the decimal point is used to represent a percentage of an hour. For example, 2.25 = 2 hours 15 minutes. 2.5 = 2 hours 30 minutes. 1.7 = 1 hour 42 minutes. If you want to designate minutes when you enter time, use a colon. 2:15 = 2 hours 15 minutes.
According to the standards, a minute is equal to 60 seconds, or 1/60th of an hour. The symbol for this time unit is min. A minute is also used as a unit of measuring angle widely used in geometry, astronomy, and other branches of science.