Phiên bản đầy đủ: jsB@nk » Tính toán » Tương đương » Đổi một số sang các hệ khác
URL: https://www.javascriptbank.com/a-base-converter.html
Hiệu ứng là một công cụ dùng để biến đổi một số sang các hệ số đếm khác.
Phiên bản đầy đủ: jsB@nk » Tính toán » Tương đương » Đổi một số sang các hệ khác
URL: https://www.javascriptbank.com/a-base-converter.html
<SCRIPT language=JavaScript><!-- for wise eyes onlyvar hex;function MakeArray(){ this.length = 16; return this;}function Populate(){ hex = new MakeArray(); hex[1] = "0"; hex[2] = "1"; hex[3] = "2"; hex[4] = "3"; hex[5] = "4"; hex[6] = "5"; hex[7] = "6"; hex[8] = "7"; hex[9] = "8"; hex[10] = "9"; hex[11] = "A"; hex[12] = "B"; hex[13] = "C"; hex[14] = "D"; hex[15] = "E"; hex[16] = "F"; }// function DecimaltoAnother(N, radix)// // return representation of a number N// in the system based on radix //function DecimaltoAnother(N, radix){ s = ""; A = N; while (A >= radix) { B = A % radix; A = Math.floor(A / radix); s += hex[B+1]; } s += hex[A+1]; return Transpose(s);}// function Transpose(s)//// return a string written from right to left//function Transpose(s){ N = s.length; t = ""; for (i = 0; i < N; i++) t = t + s.substring(N-i-1, N-i); s = t; return s;}function EvalB(form){ if (form.b.value.length != 0) M = parseInt(form.b.value, 2); else M = 0; form.t.value = DecimaltoAnother(M, 3); form.q.value = DecimaltoAnother(M, 5); form.o.value = DecimaltoAnother(M, 8); form.h.value = DecimaltoAnother(M, 16); form.d.value = M;}function EvalT(form){ if (form.t.value.length != 0) M = parseInt(form.t.value, 3); else M = 0; form.b.value = DecimaltoAnother(M, 2); form.q.value = DecimaltoAnother(M, 5); form.o.value = DecimaltoAnother(M, 8); form.h.value = DecimaltoAnother(M, 16); form.d.value = M;}function EvalQ(form){ if (form.q.value.length != 0) M = parseInt(form.q.value, 5); else M = 0; form.b.value = DecimaltoAnother(M, 2); form.t.value = DecimaltoAnother(M, 3); form.o.value = DecimaltoAnother(M, 8); form.h.value = DecimaltoAnother(M, 16); form.d.value = M;}function EvalO(form){ if (form.o.value.length != 0) M = parseInt(form.o.value, 8); else M = 0; form.b.value = DecimaltoAnother(M, 2); form.t.value = DecimaltoAnother(M, 3); form.q.value = DecimaltoAnother(M, 5); form.h.value = DecimaltoAnother(M, 16); form.d.value = M;}function EvalH(form){ if (form.h.value.length != 0) M = parseInt(form.h.value, 16); else M = 0; form.b.value = DecimaltoAnother(M, 2); form.t.value = DecimaltoAnother(M, 3); form.q.value = DecimaltoAnother(M, 5); form.o.value = DecimaltoAnother(M, 8); form.d.value = M;}function EvalD(form){ if (form.d.value.length != 0) M = parseInt(form.d.value, 10); else M = 0; form.b.value = DecimaltoAnother(M, 2); form.t.value = DecimaltoAnother(M, 3); form.q.value = DecimaltoAnother(M, 5); form.o.value = DecimaltoAnother(M, 8); form.h.value = DecimaltoAnother(M, 16);}//-- done hiding from old browsers --></SCRIPT><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><FORM method=post><TABLE cellSpacing=3 cellPadding=3 align=center border=0> <TBODY> <TR> <TD align=right> <P>Binary (Base 2):</P></TD> <TD><INPUT onchange=EvalB(form) size=27 value=0 name=b></TD><TD><code>Ex: 101, 101,...</code></TD></TR> <TR> <TD align=right>Ternary (Base 3):</TD> <TD><INPUT onchange=EvalT(form) size=21 value=0 name=t></TD><TD><code>Ex: 102, 201,...</code></TD></TR> <TR> <TD align=right>Quintal (Base 5):</TD> <TD><INPUT onchange=EvalQ(form) size=16 value=0 name=q></TD><TD><code>Ex: 123, 104,...</code></TD></TR> <TR> <TD align=right>Octal (Base 8):</TD> <TD><INPUT onchange=EvalO(form) size=12 value=0 name=o></TD><TD><code>Ex: 1207, 12036,...</code></TD></TR> <TR> <TD align=right>Decimal (Base 10):</TD> <TD><INPUT onchange=EvalD(form) size=11 value=0 name=d></TD><TD><code>Ex: 12389,...</code></TD></TR> <TR> <TD align=right>Hexadecimal (Base 16):</TD> <TD><INPUT onchange=EvalH(form) size=8 value=0 name=h> </TD><TD><code>Ex: 12AB,...</code></TR></TBODY></TABLE></FORM><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->