{"id":142863,"date":"2024-07-24T12:30:13","date_gmt":"2024-07-24T07:00:13","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142863"},"modified":"2024-07-24T12:30:13","modified_gmt":"2024-07-24T07:00:13","slug":"number-system-conversion-program-in-c-part-2","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c-part-2\/","title":{"rendered":"C Project &#8211; Number System Conversion Program in C Part &#8211; 2"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">#include&lt;stdio.h&gt;\r\n#include&lt;conio.h&gt;\r\n#include&lt;stdlib.h&gt;\r\n\/\/ Declaration of function\r\nvoid dtobin();\r\nvoid design();\r\nvoid dtooct();\r\nvoid dtohexa();\r\nvoid bintodec();\r\nvoid bintooct();\r\nvoid bintohexa();\r\nvoid octtodec();\r\nvoid octtobin();\r\nvoid octtohex();\r\n\/\/Defination of main\r\nint main()\r\n{\r\n    system(\"cls\");\r\n   design();\r\n\r\n}\r\n\/\/Defination of design\r\nvoid design()\r\n{\r\n    int choice;\r\ndo\r\n{\r\n    printf(\"\\n-----------Number System Coversion--------\");\r\n    printf(\"\\n1. Decimal to Binary\");\r\n    printf(\"\\n2. Decimal to Octal\");\r\n    printf(\"\\n3. Decimal to Hexadecimal\");\r\n    printf(\"\\n4. Binary to Decimal \");\r\n    printf(\"\\n5. Binary to Octal \");\r\n    printf(\"\\n6. Binary to Hexadecimal\");\r\n    printf(\"\\n7. Octal to Decimal\");\r\n    printf(\"\\n8. Octal to Binary\");\r\n    printf(\"\\n9. Octal to Hexadecimal\");\r\n    printf(\"\\n10. Exit\");\r\n    printf(\"\\n--------------------------------------------\");\r\n    printf(\"\\n Enter your choice\");\r\n    scanf(\"%d\",&amp;choice);\r\n    switch(choice)\r\n    {\r\n        case 1:dtobin();break;\r\n        case 2:dtooct();break;\r\n        case 3:dtohexa();break;\r\n        case 4:bintodec();break;\r\n        case 5:bintooct();break;\r\n        case 6:bintohexa();break;\r\n        case 7:octtodec();break;\r\n        case 8:octtobin();break;\r\n        case 9:octtohex();break;\r\n        case 10:break;\r\n        default:printf(\"Invalid choice .. enter again\");\r\n    }\r\n   }while(choice!=10);\r\n}\r\n\/\/Defination of octal to decimal \r\nvoid octtodec()\r\n{\r\n    \r\n     int n,dn=0,r,base=1,temp,r1,f=0;\r\n     printf(\"\\n Enter a Octal number (only digit 0 to 7) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     temp=n;\r\n     while(temp!=0) \r\n     {\r\n          r1=temp%10;\r\n          if(r1&lt;0 || r1&gt;7)\r\n          {\r\n              printf(\"Invalid octal number\");\r\n              f=1;\r\n              break;\r\n          }\r\n        temp=temp\/10;  \r\n     }\r\n    if(f==0) \r\n   { \r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*8;\r\n          n=n\/10;\r\n     }\r\n     printf(\"\\nDecimal No is: %d\",dn);\r\n  }   \r\n}\r\n\/\/Defination of octal to binary \r\nvoid octtobin()\r\n{\r\n    \r\nint n,dn=0,r,base=1,temp,r1,f=0;\r\n     printf(\"\\n Enter a Octal number (only digit 0 to 7) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     temp=n;\r\n     while(temp!=0) \r\n     {\r\n          r1=temp%10;\r\n          if(r1&lt;0 || r1&gt;7)\r\n          {\r\n              printf(\"Invalid octal number\");\r\n              f=1;\r\n              break;\r\n          }\r\n        temp=temp\/10;  \r\n     }\r\n    if(f==0) \r\n   { \r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*8;\r\n          n=n\/10;\r\n     }\r\n      \/\/printf(\"\\nDecimal No is: %d\",dn);\r\n      n=dn;\r\n      int ar[50],i=0;\r\n      while(n!=0)\r\n       {\r\n           r=n%2;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/2;\r\n       }\r\n       i--;\r\n       printf(\"\\n Binary no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n       }\r\n\r\n  }  \r\n\r\n}\r\n\/\/Defination of octal to hexadecimal \r\nvoid octtohex()\r\n{\r\n  \r\n    int n,dn=0,r,base=1,temp,r1,f=0;\r\n     printf(\"\\n Enter a Octal number (only digit 0 to 7) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     temp=n;\r\n     while(temp!=0) \r\n     {\r\n          r1=temp%10;\r\n          if(r1&lt;0 || r1&gt;7)\r\n          {\r\n              printf(\"Invalid octal number\");\r\n              f=1;\r\n              break;\r\n          }\r\n        temp=temp\/10;  \r\n     }\r\n    if(f==0) \r\n   { \r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*8;\r\n          n=n\/10;\r\n     }\r\n       n=dn;\r\n      int ar[50],i=0,r;\r\n       while(n!=0)\r\n       {\r\n           r=n%16;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/16;\r\n       }\r\n       i--;\r\n       printf(\"\\n HexaDecimal no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          switch(ar[i])\r\n          {\r\n            case 10:printf(\"A\");break;\r\n            case 11:printf(\"B\"); break;\r\n            case 12:printf(\"C\");break;\r\n            case 13:printf(\"D\");break;\r\n            case 14:printf(\"E\");break;\r\n            case 15:printf(\"F\");break;\r\n            default:printf(\"%d\",ar[i]);\r\n          }\r\n           i--;\r\n       }\r\n\r\n   }\r\n\r\n}\r\n\/\/Defination of decimal to binary\r\nvoid dtobin()\r\n{\r\n      int n,ar[50],i=0,r;\r\n       printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%2;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/2;\r\n       }\r\n       i--;\r\n       printf(\"\\n Binary no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n       }\r\n}\r\n\/\/Defination of decimal to octal\r\nvoid dtooct()\r\n{\r\n    int n,ar[50],i=0,r;\r\n   printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%8;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/8;\r\n       }\r\n       i--;\r\n       printf(\"\\n Octal no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n       }\r\n\r\n}\r\n\/\/Defination of decimal to hexadecimal\r\nvoid dtohexa()\r\n{\r\n    int n,ar[50],i=0,r;\r\n      printf(\"\\n Enter a decimal no:\");\r\n       scanf(\"%d\",&amp;n);\r\n       while(n!=0)\r\n       {\r\n           r=n%16;\r\n           ar[i]=r;\r\n           i++;\r\n           n=n\/16;\r\n       }\r\n       i--;\r\n       printf(\"\\n HexaDecimal no is: \");\r\n       while(i&gt;=0)\r\n       {\r\n          switch(ar[i])\r\n          {\r\n            case 10:printf(\"A\");break;\r\n            case 11:printf(\"B\"); break;\r\n            case 12:printf(\"C\");break;\r\n            case 13:printf(\"D\");break;\r\n            case 14:printf(\"E\");break;\r\n            case 15:printf(\"F\");break;\r\n            default:printf(\"%d\",ar[i]);\r\n          }\r\n           i--;\r\n       }\r\n\r\n}\r\n\/\/Defination of binary decimal \r\nvoid bintodec()\r\n{\r\n     int n,dn=0,r,base=1;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     printf(\"\\nDecima No is: %d\",dn);\r\n}\r\n\/\/Defination of binary octal \r\nvoid bintooct()\r\n{\r\n    int n,dn=0,r,base=1,ar[50],i=0;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     \/\/ Coversion of binary to decimal\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     \/\/ Coversion of  decimal to octal\r\n     while(dn!=0)\r\n     {\r\n          r=dn%8;\r\n          ar[i]=r;\r\n          i++;\r\n          dn=dn\/8;\r\n     }\r\n        i--;\r\n     printf(\"\\n Octal No is :\");\r\n     while(i&gt;=0)\r\n     {\r\n          printf(\"%d\",ar[i]);\r\n          i--;\r\n     }\r\n}\r\n\/\/Defination of binary hexadecimal \r\nvoid bintohexa()\r\n{\r\n int n,dn=0,r,base=1,ar[50],i=0;\r\n     printf(\"\\n Enter a binary number (only 0 and 1) : \");\r\n     scanf(\"%d\",&amp;n);\r\n     \/\/ Coversion of binary to decimal\r\n     while(n!=0)\r\n     {\r\n          r=n%10;\r\n          dn=dn+r*base;\r\n          base=base*2;\r\n          n=n\/10;\r\n     }\r\n     \/\/ Coversion of decimal to Hexadecimal\r\n     while(dn!=0)\r\n     {\r\n          r=dn%16;\r\n          ar[i]=r;\r\n          dn=dn\/16;\r\n          i++;\r\n     }\r\n     i--;\r\n     printf(\"\\n Hexa decimal no is: \");\r\n     while(i&gt;=0)\r\n     {\r\n          switch(ar[i])\r\n          {\r\n            case 10:printf(\"A\");break;\r\n            case 11:printf(\"B\");break;\r\n            case 12:printf(\"C\");break;\r\n            case 13:printf(\"D\");break;\r\n            case 14:printf(\"E\");break;\r\n            case 15:printf(\"F\");break;\r\n            default:printf(\"%d\",ar[i]);\r\n          }\r\n          i--;\r\n     }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 #include&lt;stdio.h&gt; #include&lt;conio.h&gt; #include&lt;stdlib.h&gt; \/\/ Declaration of function void dtobin(); void design(); void dtooct(); void dtohexa(); void bintodec(); void bintooct(); void bintohexa(); void octtodec(); void octtobin(); void octtohex(); \/\/Defination of main int main()&#46;&#46;&#46;<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19488],"tags":[29620,32717,29589,2263,29219,29218,29618,29619],"class_list":["post-142863","post","type-post","status-publish","format-standard","hentry","category-c-programming","tag-c-number-system-conversion","tag-c-program-on-number-system-conversion","tag-c-project","tag-c","tag-c-practical","tag-c-program","tag-number-system-conversion","tag-number-system-conversion-in-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C Project - Number System Conversion Program in C Part - 2 - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/number-system-conversion-program-in-c-part-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C Project - Number System Conversion Program in C Part - 2 - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 #include&lt;stdio.h&gt; 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