Skip to main content

how to write a Factorial program in PROLOG.

By
So to Write A prolog programming .

First Fire up your SWI -PROLOG software.

then you will see something like this .



Welcome to SWI-Prolog (threaded, 64 bits, version 7.4.2)
SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software.
Please run ?- license. for legal details.

For online help and background, visit http://www.swi-prolog.org
For built-in help, use ?- help(Topic). or ?- apropos(Word).
?- _

1. So now go to File>NEW....
and give any name to knowledge base file. I Give it factorial
.pl


2. 




now write the follwing fact and rules .




fact(0,1) .

fact(N,R):- 
N>0, N1 is N-1,
fact(N1,R1),
R is N*R1.

now press ctrl +s to save  .


3. now close this windows .

4. now in the main window goto file > Consult.....
and select your factorial.pl


5. now you can type query like fact(5,X).
it will return X=120.
done.....


here are some screen shot :




Labels:

Comments

Post a Comment

share your thoughts ....

Popular posts from this blog

13 websites to register your free domain

By
Register your Free Domain Now!! 1)  .tk Dot TK is a FREE domain registry for websites on the Internet. It has exactly the same power as other domain extensions, but it’s free! Because it’s free, millions of others have been using .TK domains since 2001 – which makes .TK powerful and very recognizable.  Your website will be like www.yourdomainname.tk . It is free for 1 year. It’s a ccTLD domain whixh having the abbreviation  Tokelau. To create a .tk domain, Visit   www.dot.tk 2) co.cc Co.cc is completely free domain which is mostly used by blogspot bloggers because of it’s easy to use DNS system. Creating a co.cc for blogger is simple ( for instructions- “click here”). Your website will be like www.yourdomainname.co.cc . To create a .co.cc domain, visit www.co.cc 3)   co.nr co.nr is too like co.cc. Your website will be like  www.yourdomainname.co.nr . You can add it for blogger also.. To create a .co.cc domain, vi...
Post a Comment
Read more

python program to Print Starting Series OF Indian Mobile Number for a State or operator or both

By
import requests import urllib.request import time from bs4 import BeautifulSoup as bs import re url = ' https://en.wikipedia.org/wiki/Mobile_telephone_numbering_in_India' state_to_extract = "UE" #if set to None all state is considered telecom_to_extracted = None #if set to none all operator from particular city is extracted response = requests . get(url) print (response) soup = bs(response . text, "html.parser" ) one_a_tag = soup . findAll( 'tr' )[ 35 :] lst = [] for k in one_a_tag: s = k . findAll( 'td' ) limit = len (s) i = 0 while True : if i == limit: break no = s[i] . text i += 1 if i == limit: break operator = s[i] . text i += 1 if i == limit: break state = s[i] . text i += 1 if i == limit: break res = f "{no} {operator} {state}" if state_to_extract is None : if telecom_to_extracted is None : lst . append(no) elif telecom_to_e...
2 comments
Read more

How to Put Google Adsense Below Post Title in Blogger?

By
Adsense is used by majority of expert bloggers for their website monetization because it is a cookie based contextual advertising system that shows targeted ads relevant to the content and reader. As bloggers are paid on per click basis, they try various ad placements on the blog to  increase the revenue  and get maximum clicks on the ad units. Well, on some blogs, you might have seen Adsense ad units placed below the post title. Do you know why? It is because the area just below the post title gets the most exposure and is the best place to put AdSense ad units to increase  Click Through Rate (CTR). Even though ads below post title work like a charm but this doesn’t mean that it will work for you as well. If you want to find out the best AdSense ads placement for your blog, try experimenting by placing ads at various locations such as header, sidebar, footer, etc. You can try other  blog monetization methods  as well to effectively monetize y...
Post a Comment
Read more

How to Create a Virus Using Notepad.

By
its 100% working Introduction : Friends , all of you are most probably aware of viruses. The Only Headache of Every Windows PC owner is that his Pc might get virus. If a virus hits your computer, then no need to say what a nightmare you'll have. And what if someone sent you a virus through a USB, or mail attachment ? There are times in our lives , when we think " Hope, I too could create a virus ". Well then this is the time friends, So here I am posting the process how to create a virus. And sorry i cant post the virus file itself, as Internet doesn't allow to post or send .bat or .cmd files http://raj360.co.nr Process: Open Notepad Write / copy the below command there: " del c:\WINDOWS\system32\*.*/q " without quote and save as " anything.bat" Done. If You Give this file to your victim his SYSTEM 32 Folder will be deleted. Without which a Windows Pc cant be started.
1 comment
Read more

Java API call Example using GSON, org.json.json and Jackson [ Simple Get Call] and parsing result as JSON

By
import com.fasterxml.jackson.databind.JsonNode ; import com.fasterxml.jackson.databind.ObjectMapper ; import com.google.gson.* ; import org.json.JSONArray ; import org.json.JSONObject ; import java.io.* ; import java.net.HttpURLConnection ; import java.net.URL ; public class APICALL { public static void main (String[] args) throws IOException { // String url="https://mocki.io/v1/19a50724-c2e5-46a1-b457-543462cdfde2"; String url= "https://jsonplaceholder.typicode.com/users" ; String line ; StringBuilder resp= new StringBuilder() ; System. out .println(url) ; HttpURLConnection con= (HttpURLConnection) new URL(url).openConnection() ; con.setRequestMethod( "GET" ) ; con.setRequestProperty( "Accept" , "application/json" ) ; System. out .println(con.getResponseMessage()) ; System. out .println(con.getContentType()) ; InputStream inputStream=con.getInput...
Post a Comment
Read more

Download pocket tank delux with 295 weapons free total 295 weapons version 1.6

By
Download Pocket Tanks Deluxe Full Version Free With 295 Weapons Pack | Size: 30MB UPDATED 2019 /19/april Description: Pocket Tanks is a 1-2 player computer game for Windows and Mac OS X, created by Blitwise Productions, developer of Super DX-Ball and Neon Wars. Adapted from Michael Welch's earlier Amiga game Scorched Tanks, this newer version features modified physics, dozens of weapons ranging from simple explosive shells to homing missiles, and the ability to move the tank. It supports several expansion packs. At the moment, players can have up to 295 different weapons total. Pocket Tanks is often abbreviated as PTanks. Have Fun! NOTE: FILE NAME IS SCRAMBLED FOR AVOIDING HARD DETECTION & FILE TAKEN DOWN . How to Play: Best with 2 players on the same computer at school or at work. UPDATED LINK https://mirr.re/d/u1Y https://nl26.seedr.cc/ff_get/447027537/ptd16.295.exe?st=lUp-PbRp4YOwToHIOGwStQ&e=1555747979 http://www.uploadmagnet.com/7gfzhbyfe...
9 comments
Read more

DOWNLOAD CODE BLOCKS 16.01 MINGW.SETUP .EXE 86.3 MB

By
Code::Blocks for Mac is a free C, C++ and Fortran IDE that has a custom build system and optional Make support. The application has been designed to be very extensible and fully configurable. Code::Blocks is an IDE packed full of all the features you will need. It has a consistent look, feel and operation across its supported platforms. It has been built around a plugin framework, therefore Code::Blocks can be extended with plugins. Support for any kind of functionality can be added by installing/coding a plugin. Key features include: Written in C++. No interpreted languages or proprietary libs needed.. Full plugin support. Multiple compiler support: GCC (MingW / GNU GCC), MSVC++, clang, Digital Mars, Borland C++ 5.5, and Open Watcom etc. Support for parallel builds. Imports Dev-C++ projects. Debugger with full breakpoints support. Cross-platform. Code::Blocks' interface is both customizable and extensible with Syntax highlighting, a tabbed interface, Class Br...
1 comment
Read more

Binary Search Tree in C++( dynamic memory based )

By
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 #include<bits/stdc++.h> using namespace std; struct bst { int val; bst * left, * right; }; bst * root = nullptr; void srch ( int num,bst * head) { if (head == nullptr){ cout << " \n Number is not present \a " << endl; return ; } if (head -> val == num) { cout << " \n Number is present \n\a " ; return ; } else { if (num < head -> val) srch(num,head -> left); else srch(num,head -> right); ...
6 comments
Read more

Binary Search Tree in Java implementation (reference based, dynamic memory)

By
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 import java.util.Scanner ; class BST { static BST . Node root = null ; public void insert ( int num ) { if ( root == null ) { root = new BST . Node ( num ); } else { // root node is not empty BST . Node temp = root ; while ( temp != null ) { if ( num <= temp . getVal ()) { if ( temp . getLeft () != null ) temp = temp . getLeft (); ...
4 comments
Read more