This time calculator for minutes, seconds and tenths of seconds will add and subtract time in the form mm:ss.s or minutes:seconds.tenths and keep a running total like an adding machine. Totals will accumulate in hours when necessary. Enter values according to allowed time entry formats below. You should be able to use this keypad-only without a mouse. To cause subtraction you can enter a negative sign before the value such as -5:22.1.
You can use a dash (-), period (.), colon (:) or blank space ( ) as the minute/second separator. For example, 5-06.2, 5.06.2, 5:06.2, and 5 06.2 are all interpreted as 5 minutes 6 seconds and 2 tenths or 5:06.2.
Seconds are the default: Entries of an integer-only or integer plus a decimal fraction will be interpreted as seconds and tenths of seconds.
A leading dash or negative sign will cause it to be a negative value.
Entry limits allowed:
|X..||X minutes : 0 seconds . 0 tenths||5..||5 minutes||05:00.0|
|X.Y.||X minutes : Y seconds . 0 tenths||5.22.0||5 minutes : 22 seconds||05:22.0|
|X.Y.Z||X minutes : Y seconds . Z tenths||5.22.1
|5 minutes : 22 seconds . 1 tenth
5 minutes : 1 second . 1 tenth
|X..Z||X minutes : 0 seconds . Z tenths||5..5||5 minutes : 0 seconds . 5 tenths||05:00.5|
|Default integer and decimal parts are registered as seconds|
|Y.Z||Y seconds . Z tenths||22.1
| 22 seconds . 1 tenth
1 second . 1 tenth
|.Z||. Z tenths||.5||5 tenths||00:00.5|
You can use numbers and the enter button on your keyboard without using your mouse except to change the operation to subtraction. You can also enter negative numbers (-4.5.8) from your keypad then you do not need to change to subtraction.