* WalrusIRC

You need to have 5 posts and not be part of restricted usergroups in order to use the WalrusIRC embedded shoutbox. However, you can also access our IRC channel called #CodeWalrus via EFnet.

Author Topic: How does the calculator find values of sine (or cosine or tangent)?  (Read 506 times)

0 Members and 1 Guest are viewing this topic.

Offline kotu

  • Microsoft Edge V
  • Super User
  • Join Date: Aug 2016
  • Location: UK<---.edge
  • Posts: 1124
  • Post Rating Ratio: +7/-10
  • Edge User
    • dj_kotu
    • @UCAy2ZF4hbc08iStnTn6jgxQ
    • rowanmedhurst
    • @romanov-psyco
    • futurerave.uk
  • Gender: Male


  • Calculators owned: TI 84+CE-T
  • Consoles, mobile devices and vintage computers owned: Sega Master System, Sony PlayStation 3

http://futurerave.uk/admin
my blog is proper insecty, V

Offline aeTIos

  • Dabbler in C
  • Super User
  • Original 5
  • Join Date: Nov 2014
  • Location: Ede, NL
  • Posts: 1049
  • Post Rating Ratio: +12/-0
  • hi
    • r_vdijk
    • /u/aetios
    • aetios
  • Gender: Male
Very interesting, thanks for sharing :D
ceci n'est pas une signature

Offline Juju

  • aka Yuki Kagayaki aka J̵̭͕͇ù̞̭̝̯̦j̴̭̙̗͖͡ù͏͓̲̕
  • CodeWalrus Staff
  • Super User
  • Server Maintenance
  • Moderator
  • Forum Maintenance
  • Original 5
  • CodeWalrus Supporter
  • *
  • Join Date: Nov 2014
  • Location: Inside a walrus
  • Posts: 3017
  • Post Rating Ratio: +28/-2
  • Couch potato
    • jul.savard
    • juju2143
    • @juju2143
    • juju2143
    • @julosoft
    • juju-kun
    • /u/juju2143
    • juju2143
    • @juju2143
    • Juju's shed
  • Gender: Female
  • WalriiPoints: 99999
Yep, pretty interesting. Calcualtors usually use an approximation based on basic operations and it usually does the job up to the precision of the calculator and it shows up instantly, but I believe, correct me if I'm wrong, some used lookup tables.
  • Calculators owned: TI-83+ (dead?), Casio Prizm (also dead???)
  • Consoles, mobile devices and vintage computers owned: A lot
On hiatus until when the sun goes dark in plain day. Won't have internet on Aug 22-23, so try to not kill each other during that time. SO POST LIKE CRAZY WHILE I'M NOT HERE THANKS
YUKI-CHAAAANNNN
In the beginning there was walrii. In the end there will be walrii. All hail our supreme leader :walrii: --Snektron

if you wanna throw money at me and/or CodeWalrus monthly it's here

Offline kotu

  • Microsoft Edge V
  • Super User
  • Join Date: Aug 2016
  • Location: UK<---.edge
  • Posts: 1124
  • Post Rating Ratio: +7/-10
  • Edge User
    • dj_kotu
    • @UCAy2ZF4hbc08iStnTn6jgxQ
    • rowanmedhurst
    • @romanov-psyco
    • futurerave.uk
  • Gender: Male
I think I read that the definitions of these functions are implementation-specific, so could be
  • Calculators owned: TI 84+CE-T
  • Consoles, mobile devices and vintage computers owned: Sega Master System, Sony PlayStation 3

http://futurerave.uk/admin
my blog is proper insecty, V

 


You can also use the following HTML or bulletin board code to share it on your page or forum signature!


Also do not forget to check our affiliates below.
Planet Casio TI-Planet Calc.news BroniesQC BosaikNet Velocity Games