Floating Point Calculator IEEE

ืžื›ื™ืœ ืžื•ื“ืขื•ืชืจื›ื™ืฉื•ืช ืžืชื•ืš ื”ืืคืœื™ืงืฆื™ื”
4.4
30 ื‘ื™ืงื•ืจื•ืช
+1Kโ€
ื”ื•ืจื“ื•ืช
ืกื™ื•ื•ื’ ืชื•ื›ืŸ
ื›ื•ืœื
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš

ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

ืžื—ืฉื‘ื•ืŸ ื–ื” ืžืžื™ืจ ืžื—ืจื•ื–ื•ืช ื‘ื™ื ืืจื™ื•ืช ืฉืœ 32 ืกื™ื‘ื™ื•ืช ื• -64 ืกื™ื‘ื™ื•ืช ืœืขืจื›ื™ ื”ื ืงื•ื“ื” ื”ืฆืคื” ืฉืœื”ื (ื›ืœื•ืžืจ ืขืจื›ื™ื ืขืฉืจื•ื ื™ื™ื ื›ื’ื•ืŸ "3.14159 ..."). ื–ื” ื™ื›ื•ืœ ื’ื ืœื”ืžื™ืจ ืืช ื”ืžืกืคืจ ื”ืขืฉืจื•ื ื™ ืœืžื—ืจื•ื–ืช ื‘ื™ื ืืจื™ืช ืฉืœ 32 ืกื™ื‘ื™ื•ืช ื• -64 ืกื™ื‘ื™ื•ืช.

ืœื“ื•ื’ืžื”, ื”ืขืจืš ืฉืœ ื”ื ืงื•ื“ื” ื”ืฆืคื” (ืขืฉืจื•ื ื™ืช) ืฉืœ Pi ื”ื•ื 3.14159 ...

ื”ื™ื™ืฆื•ื’ ื”ื‘ื™ื ืืจื™ ืฉืœ Pi ื”ื•ื ืืคื•ื:
01000000 01001001 00001111 11010000

ืžื—ืฉื‘ื•ืŸ ื–ื” ืชื•ืžืš ื‘ื”ืžืจื•ืช ื“ื• ื›ื™ื•ื•ื ื™ื•ืช. ื›ื“ื™ ืœื”ื‘ื”ื™ืจ ืžื” ื–ื” ืื•ืžืจ, ืœื”ืœืŸ ื”ื”ืžืจื•ืช ืฉื”ื™ื ื™ื›ื•ืœื” ืœืขืฉื•ืช:
(1) ืฆืฃ ืœื‘ื™ื ืืจื™ (3.14159 = 01000000 01001001 00001111 11010000)
(2) ื‘ื™ื ืืจื™ ืœืฆื•ืฃ (01000000 01001001 00001111 11010000 = 3.14159)

ื™ื™ืฉื•ื ื–ื” ื ื•ืขื“ ืœืขื–ื•ืจ ืœืกื˜ื•ื“ื ื˜ื™ื ืœืžื“ืขื™ ื”ืžื—ืฉื‘ ื•ืืจื›ื™ื˜ืงื˜ื•ืจืช ืžื—ืฉื‘ื™ื ืœื”ื‘ื™ืŸ ื‘ืงืœื•ืช ื›ื™ืฆื“ ืžื—ื•ืฉื‘ ืขืจืš ื ืงื•ื“ื” ืฆืคื”. ืœื“ื•ื’ืžื: ื”ืžื—ืจื•ื–ืช ื”ื‘ื™ื ืืจื™ืช ืžืงื•ื“ื“ืช ื‘ืฆื‘ืข ื›ื“ื™ ืœืขื–ื•ืจ ืœืชืœืžื™ื“ื™ื ืœื”ื‘ื“ื™ืœ ื‘ื™ืŸ ื”ืกื™ืžืŸ, ื”ืžืขืจื™ืš ื•ื”ืžื ื˜ื™ืกื”. ื“ื•ื’ืžื ื ื•ืกืคืช: ืขืœ ื™ื“ื™ ืœื—ื™ืฆื” ืืจื•ื›ื” ืขืœ ืกื™ื‘ื™ืช ื‘ื•ื“ื“ืช, ื–ื” ื™ืคืขื™ืœ ืฉื›ื‘ืช-ืขืœ ืฉืžืจืื” ืœืžืฉืชืžืฉ ืžื” ืงื•ืจื” ื›ืืฉืจ ื”ืกื™ื‘ื™ืช ื”ืกืคืฆื™ืคื™ืช ื”ื–ื• ืžื•ืคืขืœืช ืื• ืžื•ืคืขืœืช (ื ืกื” ื–ืืช!).

ืžืžื™ืจ ื–ื” ืชื•ืžืš ื’ื ื‘ืžืขืจื›ื•ืช ืื• ื™ื™ืฆื•ื’ื™ื ืžืกืคืจื™ื™ื ืื—ืจื™ื, ื›ื•ืœืœ: ืžืกืคืจื™ื ืฆืคื™ื, ื‘ื™ื ืืจื™ื™ื, ื”ืงืกื“ืฆื™ืžืืœื™ื™ื, ืื•ืงื˜ืœื™ื, ืžืกืคืจื™ื ืฉืœืžื™ื ื—ืชื•ืžื™ื ื•ืžืกืคืจื™ื ืฉืœืžื™ื ืœื ื—ืชื•ืžื™ื.

ืœืืคืœื™ืงืฆื™ื” ื–ื• ืชืžื™ื›ื” ืžืœืื” ื‘ื”ืžืจื•ืช ืœ:
(1) ืžืกืคืจื™ ื ืงื•ื“ื” ืฆืคื” ืขื ื“ื™ื•ืง ื™ื—ื™ื“ (ืฆืฃ ... ืขืฉืจื•ื ื™)
(2) ืžืกืคืจื™ ื ืงื•ื“ื” ืฆืคื” ืขื ื“ื™ื•ืง ื›ืคื•ืœ (ื›ืคื•ืœ ... ืขืฉืจื•ื ื™)
(3) ื™ื™ืฆื•ื’ื™ื ื”ืงืกื“ืฆื™ืžืืœื™ื™ื (hex)
(4) ื™ื™ืฆื•ื’ื™ื ืื•ืงื˜ืืœื™ื™ื (ืื•ืงื˜ื•ื‘ืจ)

ืœืืคืœื™ืงืฆื™ื” ื–ื• ืชืžื™ื›ืช ื”ืžืจื•ืช ืžื•ื’ื‘ืœืช ืœ:
(1) ืžืกืคืจื™ื ืฉืœืžื™ื ื—ืชื•ืžื™ื (ื—ืชื•ืžื™ื int ... ืขืฉืจื•ื ื™ื™ื)
(2) ืžืกืคืจื™ื ืฉืœืžื™ื ืœื ื—ืชื•ืžื™ื (int ื—ืชื•ื ... ืขืฉืจื•ื ื™)

ืชืžื™ื›ื” ืžืœืื” ืคื™ืจื•ืฉื” ืฉืชื•ื›ืœื• ืœื‘ืฆืข ืฉื™ื—ื•ืช ื“ื• ื›ื™ื•ื•ื ื™ื•ืช ื‘ื™ืŸ ืฉืชื™ ื™ื™ืฆื•ื’ื™ื ืžืกืคืจื™ื™ื. ืชืžื™ื›ื” ืžื•ื’ื‘ืœืช ืคื™ืจื•ืฉื” ืฉืชื•ื›ืœ ืœื‘ืฆืข ื”ืžืจื•ืช ื—ื“ ื›ื™ื•ื•ื ื™ื•ืช ื‘ืœื‘ื“. ืื ื™ ืขื“ื™ื™ืŸ ืขื•ื‘ื“ ืขืœ ื”ื•ืกืคืช ืชืžื™ื›ื” ืžืœืื” ื‘ื›ืœ ื”ืžืขืจื›ื•ืช / ื™ื™ืฆื•ื’ื™ื ื”ืžืกืคืจื™ื™ื ื”ืขื™ืงืจื™ื™ื ื‘ืžื“ืขื™ ื”ืžื—ืฉื‘.

ื™ืฉื ื ืฉื ื™ ืžืฆื‘ื™ื:
(1) ืžืฆื‘ ืžื—ืฉื‘ื•ืŸ ื”ื ืงื•ื“ื” ื”ืฆืคื” - ื–ื” ืžืฉืžืฉ ืœื”ืžืจื” ืžืคื•ืจืฉืช ื‘ื™ืŸ ืžืกืคืจื™ื ื‘ื™ื ืืจื™ื™ื ืœื ืงื•ื“ื•ืช ืฆืคื•ืช.
(2) ืžืฆื‘ ื”ื”ืžืจื” ื”ื”ืงืกื“ืฆื™ืžืœื™, ื”ืื•ืงื˜ืืœื™ ื•ื”ื‘ื™ื ืืจื™ - ืžืฉืžืฉ ืœื”ืžืจื” ื‘ื™ืŸ ื™ื™ืฆื•ื’ื™ื ื”ืงืกื“ืฆื™ืžืืœื™ื™ื, ืื•ืงื˜ืœื™ื™ื ื•ื‘ื™ื ืืจื™ื™ื. ืœืื—ืจ ื”ืžืจื” ื‘ื™ืŸ ืฉืœื•ืฉ ืžืขืจื›ื•ืช ื”ืžืกืคืจื™ื ื”ืœืœื•, ืชื•ื›ืœื• ืœืœื—ื•ืฅ ืขืœ ื›ืคืชื•ืจ "ื”ื—ืœ" ื›ื“ื™ ืœื”ืžื™ืจ ืื•ืชื• ืกื•ืฃ ืกื•ืฃ ืœืขืจืš ื ืงื•ื“ื” ืฆืคื”.

ืื ื ืฉืชืฃ โ€‹โ€‹ืืช ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื• ืœืกื˜ื•ื“ื ื˜ื™ื / ืคืจื•ืคืกื•ืจื™ื ืื—ืจื™ื ืฉืขืฉื•ื™ื™ื ืœื”ืคื™ืง ืชื•ืขืœืช ืžื”ืฉื™ืžื•ืฉ ื‘ื”. ืืœ ืชืฉื›ื— ืœืฉืœื•ื— ืœื™ ื‘ืื™ืžื™ื™ืœ ืืช ื”ืžืฉื•ื‘ ืฉืœืš ื•ื‘ืงืฉื•ืช ื”ืชื›ื•ื ื” ืฉืœืš. ืื ืชืจืฆื” ืœืฉืœื•ื— ืœื™ ืืช ื“ื‘ืจื™ ื”ืชืžื™ื›ื” ื•ื”ื”ืขืจื›ื” ืฉืœืš, ืื ื ืฉืœื— ืœื™ ืื•ืชื ื‘ื“ื•ื"ืœ!

ืชื›ื•ื ื•ืช:
(1) ื“ื™ื•ืง ืฉืœ 32 ืกื™ื‘ื™ื•ืช ื• -64 ืกื™ื‘ื™ื•ืช.
(2) ื”ืžืจืช ืกืœ ืœืฆื•ืฃ.
(3) ื”ืžืจืช ืฆืฃ ืœืคื—.
(4) ื”ืžืจ ื‘ื™ืŸ hex, oct, ื•- bin.
(5) ื”ืžืจ ืฆืฃ ืœ- hex, oct, int ื—ืชื•ื ื•- int ื—ืชื•ื.
(6) ื”ืžืจ ืกืœ ืœ hex, oct, int ื—ืชื•ื ื•- int ื—ืชื•ื.
(7) ืžื—ืจื•ื–ืช ื‘ื™ื ืืจื™ืช ืžืงื•ื“ื“ืช ื‘ืฆื‘ืข ื›ื“ื™ ืœื”ื›ื™ืจ ืืช ื”ืชืœืžื™ื“ื™ื ืขื ื”ืกื™ืžืŸ, ื”ืžืขืจื™ืš ื•ื”ืžื ื˜ื™ืกื”.
(8) ื”ืขืชืง ื•ื”ื“ื‘ืง ืฆืฃ, ืกืœ, ืžืฉื•ืฉื”, ืื•ืงื˜ื•ื‘ืจ.
(9) ื”ืขืชืง ื”ืžืจื•ืช ืื™ื ื˜ื ืกื™ื‘ื™ื•ืช ื—ืชื•ืžื•ืช / ืœื ื—ืชื•ืžื•ืช ืœืœื•ื—.
(10) ื”ืžืจื” ื—ื“ ื›ื™ื•ื•ื ื™ืช ืžืคื— ืœืื™ื ื˜ื™ ื—ืชื•ื / ืœื ื—ืชื•ื.
(11) ืžืžืฉืง ื”ื›ื™ืกื•ื™ ื”ืžื™ื•ื—ื“ ืžืกื‘ื™ืจ ื›ื™ืฆื“ ืžืžื™ืจื™ื ืืช ื”ืฆื™ืคื” (ื”ืคืขืœ ืื•ืชื” ื‘ืืžืฆืขื•ืช ืœื—ื™ืฆื” ืืจื•ื›ื” ืขืœ ืกื™ื‘ื™ืช ื‘ื•ื“ื“ืช).
(12) ืฉื ื” ืืช ืžืจืื” ื”ืžื—ืฉื‘ื•ืŸ ื•ืืช ื”ืชื ื”ื’ื•ืชื• ื‘ื”ื’ื“ืจื•ืช ื”ืžืฉืชืžืฉ.

ื‘ืงืจื•ื‘ ื‘ืงืจื•ื‘ ื‘ืขื“ื›ื•ื ื™ื ืขืชื™ื“ื™ื™ื:
(1) ื”ืžืจื•ืช ื“ื• ื›ื™ื•ื•ื ื™ื•ืช ื‘ื™ืŸ bin ื•ื‘ื™ืŸ int / ื—ืชื•ื / ืœื ื—ืชื•ื.
(2) ื’ืจืกืช ืคืจื™ืžื™ื•ื ืœืœื ืžื•ื“ืขื•ืช.
(3) ืžืฆื‘ ื ื•ืฃ.

ื‘ืงืจ ื‘ ื”ืืชืจ ื”ืจืฉืžื™ ืœืžื™ื“ืข ื ื•ืกืฃ.
https://peterfelixnguyen.github.io/portfolio#floating-point-calculator-android
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
13 ื‘ื™ื•ื ื™ 2024

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืฉืชืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื” ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ืžื™ืงื•ื, ืคืขื™ืœื•ืช ื‘ืืคืœื™ืงืฆื™ื•ืช ื•-2 ื ื•ืกืคื™ื
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืืกื•ืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื”
ืžื™ืงื•ื, ืคืขื™ืœื•ืช ื‘ืืคืœื™ืงืฆื™ื•ืช ื•-2 ื ื•ืกืคื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ืื™ ืืคืฉืจ ืœืžื—ื•ืง ืืช ื”ื ืชื•ื ื™ื

ื“ื™ืจื•ื’ื™ื ื•ื‘ื™ืงื•ืจื•ืช

4.7
25 ื‘ื™ืงื•ืจื•ืช

ืžื” ื—ื“ืฉ?

Changed how many decimal points is shown for accuracy percentage.

ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
Peter Nguyen
peterfelixnguyen@gmail.com
1103 N Acacia St Anaheim, CA 92805-1512 United States
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โ€ซืขื•ื“ ืžื‘ื™ืช Logical Sonicโ€Žโ€

ืืคืœื™ืงืฆื™ื•ืช ื“ื•ืžื•ืช