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Offline ISSOtm

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Friday, 13th...
« on: November 10, 2014, 09:07:11 am »
Hello guys, yesterday I was asked a very important question : "When will the next Friday, 13th be ? How many times will it occur next year ?"
I didn't know the answer, I didn't have any calendar near me, but I had my calculator...

So, there it is, FRIDAY 13 FINDER !
How it works :
  • Launch it  ;D
  • Enter today's date :
    • Select the number to change
    • Press Enter
    • Enter the new value
  • Select "Confirm"
  • Scroll the list with the left and right keys, hit Enter to validate
  • Press any key
  • Press any key to skip to next month, or Clear to quit.
And that's pretty much everything about it !

One known bug : when editing a value on the date screen, the display isn't updated, but internally it is.

Features to implement soon :
  • Limiting the day value as the months do
  • Adding an "Auto Scan" mode which only displays the affected months
Files coming tomorrow !
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Offline Sorunome

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Re: Friday, 13th...
« Reply #1 on: November 10, 2014, 09:08:08 am »
Haha, sounds like a funny little fun idea ^.^
* Sorunome wonders if you take like leap years into account
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Offline aeTIos

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Re: Friday, 13th...
« Reply #2 on: November 10, 2014, 09:41:48 am »
Nice and fun utility :D. I tried writing something like this once, but got stuck and forgot about it. Good to see you actually finished this :P
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Offline ClrDraw

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Re: Friday, 13th...
« Reply #3 on: November 10, 2014, 11:26:11 am »
Hah I like this idea! Makes me think of this meme:
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Offline ISSOtm

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Re: Friday, 13th...
« Reply #4 on: November 10, 2014, 01:07:10 pm »
Quote from: Sorunome on November 10, 2014, 09:08:08 am
Haha, sounds like a funny little fun idea ^.^
* Sorunome wonders if you take like leap years into account

Yes, they are taken into account. Both rules are respected :
Quote from: Wikipedia
Leap years are years that can :
  • either be divided by 4 but not by 100 ;
  • either be divided by 400.

It doesn't have a super graphical interface, but it is 1970 bytes large :P


Quote from: ClrDraw on November 10, 2014, 11:26:11 am
Hah I like this idea! Makes me think of this meme:
<AD>
Wanna avoid this kind of dumb situation ?
Don't worry ! We have the perfect tool for you.
FRIDAY 13th FINDER ! Serial killer's best friend.

For two bought, one chainsaw is offered ! Limited offer !
</THIS AD WAS PRODUCED BY ISSO Corp.>
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Offline Omegaxis213

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Re: Friday, 13th...
« Reply #5 on: November 10, 2014, 07:46:36 pm »
The next Friday the 13 is on Feburary 13 which is my birthday suprisingly... :O
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Offline DJ Omnimaga

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Re: Friday, 13th...
« Reply #6 on: November 11, 2014, 02:31:25 am »
Lol actually as simple as it might be, this program is a very fun idea. It might be handy sometimes for me when I want to figure out how many days left I have before some satanic entity turns me into a lobster. ;D
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Offline Sorunome

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Re: Friday, 13th...
« Reply #7 on: November 11, 2014, 07:40:07 am »
Quote from: ISSOtm on November 10, 2014, 01:07:10 pm
Quote from: Sorunome on November 10, 2014, 09:08:08 am
Haha, sounds like a funny little fun idea ^.^
* Sorunome wonders if you take like leap years into account

Yes, they are taken into account. Both rules are respected :
[...]
What about those random day skippings in the past if you look at some occurances in the 19th/20th century :trollface:
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Offline Streetwalrus

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Re: Friday, 13th...
« Reply #8 on: November 11, 2014, 04:12:42 pm »
Lol nice one.

Also does this use the clock functions on the 84+ ? There's a day of week function built in.
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Offline ISSOtm

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Re: Friday, 13th...
« Reply #9 on: November 12, 2014, 10:19:15 am »
Quote from: Sorunome on November 11, 2014, 07:40:07 am
Quote from: ISSOtm on November 10, 2014, 01:07:10 pm
Quote from: Sorunome on November 10, 2014, 09:08:08 am
Haha, sounds like a funny little fun idea ^.^
* Sorunome wonders if you take like leap years into account

Yes, they are taken into account. Both rules are respected :
[...]
What about those random day skippings in the past if you look at some occurances in the 19th/20th century :trollface:
No, it is only meant to be used in the 21th century, because calculators did not exist past that point (unless, it is what I think) :P

Quote from: Streetwalrus on November 11, 2014, 04:12:42 pm
Lol nice one.

Also does this use the clock functions on the 84+ ? There's a day of week function built in.
No, because it uses assembly, I didn't use this function.
Maybe it is possible, but it currently is quite fast (about half a second to scan a whole month), and I don't think using this feature will speed up the program :/

But, you gave me an idea :
When the calculator implements these time functions, the day isn't asked to.
Will require two programs, though.

NOTICE : I am currently working on a mini-RPG engine for my PUZZLE MASTER program, so this program is in limbo, but shall be back soon !
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Offline Streetwalrus

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Re: Friday, 13th...
« Reply #10 on: November 12, 2014, 02:27:55 pm »
Oh lol I didn't pay attention, I thought it was TI-BASIC. :P
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Offline ISSOtm

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Re: Friday, 13th...
« Reply #11 on: November 13, 2014, 02:02:20 pm »
Finally debugged and translated the program, yay !
Files downloadable down here \/

BONUS : If you are French, there is a french version available here.
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