Maintenance script: Initial automated import

2016-02-24T18:06:41Z

Initial automated import

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The TI-84 Plus and TI-84 Plus SE, which have a built-in hardware clock, introduce several commands for dealing with time. Some of these rely on the built-in clock, while others are used for formatting times and dates and could technically have been introduced on earlier calculators. However, the only time/date command that is available on the pre-84 calculators is [[TI-BASIC:Dbd|Dbd(]].

All of these commands except dbd( can be found only through the command catalog (2nd CATALOG). [[TI-BASIC:Dbd|Dbd(]] can also be found in the Finance menu -- 2nd FINANCE on the TI-83, and APPS 1:Finance... on the TI-83+ or higher.

Despite its name, the [[TI-BASIC:Time|Time]] command has nothing to do with the clock. It is a mode setting for sequence graphs.

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== Low-Level Commands ==

* '''[[TI-BASIC:Starttmr|StartTmr]]''' -- This command returns the current value of a timer that is updated every second when the clock is enabled. This value doesn't correspond to any actual time, but can be used with [[TI-BASIC:Checktmr|CheckTmr(]] to get a time difference.
* '''[[TI-BASIC:Checktmr|CheckTmr(]]''' -- checkTmr(X) is equivalent to [[TI-BASIC:Starttmr|StartTmr]]-X. This can be used to get the time elapsed since startTmr was used.
* '''[[TI-BASIC:Clockon|ClockOn]]''', '''[[TI-BASIC:Clockoff|ClockOff]]''' -- Enables or disables the hardware clock.
* '''[[TI-BASIC:Isclockon|IsClockOn]]''' -- Tests if the clock is enabled or not.

== Time Commands ==

* '''[[TI-BASIC:Settime|SetTime(]]''' -- Sets the current time, in hours, minutes, and seconds. If the clock is enabled, this time will be updated every second.
* '''[[TI-BASIC:Gettime|GetTime]]''' -- Returns the current time as the list {hours, minutes, seconds}. This command is unaffected by time format.
* '''[[TI-BASIC:Settmfmt|SetTmFmt(]]''' -- Sets the time format - 12 hour, or 24 hour.
* '''[[TI-BASIC:Gettmfmt|GetTmFmt]]''' -- Returns this time format setting.
* '''[[TI-BASIC:Gettmstr|GetTmStr(]]''' -- Returns the current time as a string, affected by time format (though you can override it with an optional argument).

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== Date Commands ==

* '''[[TI-BASIC:Setdate|SetDate(]]''' -- Sets the current date (year, month, and day). If the clock is enabled, this date will be updated as needed.
* '''[[TI-BASIC:Getdate|GetDate]]''' -- Returns the current date as the list {year, month, day}. This command is unaffected by date format.
* '''[[TI-BASIC:Setdtfmt|SetDtFmt(]]''' -- Sets the date format - 1 for month/day/year, 2 for day/month/year, or 3 for year/month/day.
* '''[[TI-BASIC:Getdtfmt|GetDtFmt(]]''' -- Returns this date format setting.
* '''[[TI-BASIC:Getdtstr|GetDtStr(]]''' -- Returns the current date as a string, affected by date format (though you can override it with an optional argument).

== Time/Date Manipulation ==

* '''[[TI-BASIC:Timecnv|TimeCnv(]]''' -- Converts a number of seconds into a list of {days, hours, minutes, seconds} representing the same time lapse.
* '''[[TI-BASIC:Dayofwk|DayOfWk(]]''' -- Returns the day of week (Sunday through Saturday encoded as 1 through 7) of a specified date.
* '''[[TI-BASIC:Dbd|Dbd(]]''' -- Returns the number of days between two dates -- this command is available on all calculators, not just the 84+/SE.

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TI-BASIC:Time And Date - Revision history

Maintenance script: Initial automated import