Experimental Elapsed Timer for Picoseconds
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Created by David Alderoty © 2012,
E-mail David@TechForText.com |
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General Description |
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This elapsed timer measures time in
picoseconds, which is one trillionth of a second. Because I
do not have equipment to measure tiny units of time, to confirm
accuracy, I must consider this device experimental.
However, in terms of 5 trillionth picoseconds, or longer, I can
easily see that it is accurate. |
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This elapsed timer can be
used as a countdown timer, if you enter a start time that is in the
future. When this is done, you will see a countdown in
seconds, which will be displayed with a minus-sign. |
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Instructions |
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This elapsed timer is very easy to use.
You just type in a start date, and enter a start time, with
pull-down menus. (This is explained in more detail, above the related
input boxes.) |
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After you enter a start date and
time, you must remember to save the settings, if you want to close the
software and reopen it at a later point in time, with the same settings.
The procedures for saving the Excel and JavaScript versions are different,
and they are explained below. |
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You can save theExcel version, in the conventional way that you save an Excel
spreadsheet. However, the easiest way to save the Excel
version is to press the s key WHILE HOLDING DOWN THE CTRL KEY. |
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The settings in the JavaScript version can only be saved
if you open it with the Firefox web
browser. To save the settings, with
Firefox, press the s key WHILE HOLDING DOWN THE
CTRL KEY. When this is done, a dialog box opens with a specific location
on your computer, such as your document section, or desktop. Note the file
location, or change it to the location you prefer, and then click on the
save button in the
dialog box. |
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This timing device does
not display any continuous change in time, with both the JavaScript and Excel versions. It only
displays the change in time, when the software is opened and closed, or
when data is entered or deleted. With the JavaScript version, there is a
button that you can
press to update the time. With the Excel version there is a green box,
to update the time. For the Excel
version, place the cruiser in the green box, and
press the delete key, to
update the time. |
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To use this elapsed timer, delete the numbers in
the three white boxes below. Then, enter a start date, by
entering the month in the first box, the day in the second box, and the
year in the third box. All of this must be entered in terms
of numbers. Do NOT enter words or letters in these boxes. |
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Enter month with |
Enter the day with |
Enter the year |
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a number 1 to12 |
a number 1 to 31 |
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The two white boxes below are use to
set the start time, with PULL-DOWN MENUS. The box on the left is for hours, and the box on the right
is for the minutes. To use the pulldown menu, left click on the
LOWER PORTION of the
box, on the number. Then you will see either a menu or a silver
button on the right side of the box. If you see a silver
button, left click on it, to reveal the menu. When the menu
appears, scroll up or down the menu, and when you find the number you
need, left click on it. When this is done, the menu
automatically closes, and the required number will appear in the white
box. |
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Hours |
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Minutes |
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The START date and time YOU entered is: |
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Elapsed time in picoseconds, which
is one trillionth of a second (1 second = 10^12
ps) |
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With the Excel version, update the
time, by placing the cruiser on one of the green sections above, and then
press the delete key. For the JavaScript version, left click
on the update button. |
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The white section below is for writing notes
that relate to the entity you are timing. |
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For example, the progress that is made during
specific time intervals. |
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With the JavaScript version of this
software, you can place your comments in the white box above, and transmit
them to the author, by left clicking on the submit button. When this is
done, the settings you entered are transmitted along with your message.
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