801 Topics
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| | A little program I made to try and remeber C++, first program I've written in C++ in about a year. Tested and working under windows 7 64 bit, run via command line. If you have any improvements or ideas please leave a comment. Cheers K0ns3rv |
| | I have a query which generates a soccer standings table and although it works fine there I am trying to implement a couple of variations on it but everything I have tried has failed. I have searched and asked many times and for both problems and it seems as though … |
 | Hi everyone, Hope all of you are fine and spent a fantastic weekend. I'm a new user of this forums and I would like be a happy part of this forums. Now I like to give some information about me: My Name is [B]Charles Benoit[/B] and I'm 28 years old. …  |
 | I find C# very well suited for doing math and all sorts of calculations, so here is an example. Just start a Console application and fill in the code. Have fun! The code also shows a use of delegates and some Console functions. If you don't know what the Newton-Raphson … |
| | #include<iostream> using namespace std; class polynomial { private: struct p { int degree; float coefficient; p *link; }*head; public: polynomial() { head=NULL; } void getdegree(); void getpolynomial(int d); void display(); void addition(polynomial p1,polynomial p2); }; void polynomial::getdegree() { int degree1; cout<<"\n Enter the highest degree of your polynomial:"; cin>>degree1; getpolynomial(degree1); … |
| | hey im new in java. i needto make GUI for my program buh im confused as to what to wirte in GUI codes and wat to write in Main codes etc. could someone plz help me? mathprogram.java main class [CODE]public class mathprogram { public static void main (String[] args){ addition … |
 | I've searched a while, can't find this... I'm looking for a way to present two choices for values, then to have a result immediately appear based on those choice. IE... The first choice is an option between 1, 2, 3, 4, or 5 players... and the second choice is an … |
 | Explanation: suppose an expression -23+5-9/(5*2) is entered then i want output as Numbers: -23 +5 +9 +5 +2 Operators: + - / * () Is it possible? |
| | hi in my text book i have this problem. how to program this [ICODE] Define a class Quadratic_int that stores the coefficients of a quadratic polynomial in a dynamically allocated array of integers. Supply the "big three" memory management functions. Use this class to demonstrate (a) the difference between initialization … |
| | I've looked everywhere and tried so many things nothing has worked. My cable is fine, I reinstalled my driver and changed my speed/duplex settings to everything but nothing worked I had AVG AV and I removed it from my computer and also took down my firewalls from windows and still … |
 | This I did also after 'spying' discussions in other forum. Of course you would use sieve prime generation for bigger numbers, but I proved other simple way for a change. Slightly more advanced primes list generator would use primes % 6 in (1,5) property: [CODE]def primes(n): """ primitive non-sieve prime … |
| | Hey guys! I'm trying to write a program that calculates the area of the convex hull of a set of points in a plane. I can find which points construct the convex hull but calculating the area is a little bit difficult for me. I guess the problem is that … |
| | Can you help me with the following Mysql question? I get a table, say, three variables: ID, Date and Value, for example, ID Date Value 1 2001 2 2 2005 3 3 1986 7 4 1985 1 How can I add a variable, sum, to each line, with the condition … |
| | This is hopefully example of properly tested code snippet (fingers crossed). |
| | I've had an idea for a class that, instead of storing a number as a single floating-point value, stores the exact value as two or more integers (in cases such as division, fractional exponents, or irrational numbers such as pi or e). The class would have it's own mathematical functions …  |
| | Little clean up of vegaseat's code for generating pi decimals. Added number of decimals desired and string type return for easy use with ''.join() |
 | Hi all,, How i can sum all item on listview column. Thank you in advance. |
| | Here is function to count the number of elementary events for sum of multiple throws of n-faced dice. |
| | I have done some calculations in two textbox data type is double like 9/8 The answer is in point [B]1.125[/B] how can i make it in complete value. like if it is less than .5 it take 1 as complete number. or if the answer is above .5 then it … |
| | Hi all, I have been doing for fun this problem in projecteuler.net. The problem is as follows: +++++++++++++++++++++++++++++++++++++++++ Peter has nine four-sided (pyramidal) dice, each with faces numbered 1, 2, 3, 4. Colin has six six-sided (cubic) dice, each with faces numbered 1, 2, 3, 4, 5, 6. Peter and … |
| | As you folks may know, I love math! I know almost all programming languages, but which one should I use for math. Basically, I want: Easy type conversion I don't care if it is object-oriented or not' Can handle LARGE numbers And speed! I do not need graphical features, just … |
 | I have the following trig functions, but I am wondering if there is a faster algorithm that I could implement: [CODE]static const double SINMIN=0.0009999998333333; static const double COSMIN=0.9999995000000417; static const double TANMIN=0.0010000003333334; static const double E=2.718281828459045235360; static const double PI=3.14159265358979323846; static const double MINVAL=0.01; double sin(double ax) { double x=aabs(ax); … |
| | Ok so i want to make a program that calculates pi. Ive done that already but it only gives me so many decimal places. I want it to give me tons. Im using Dev C++ if that helps too. Here's my code: [CODE] #include <iostream.h> #include <math.h> int main() { …  |
| | [CODE]ifndef POLY_H #define POLY_H class Poly { public: Poly() : first(0) { } void addTerm(double coeff, unsigned exponent); // add term (coeff^exponent) to the polynomial; // might just change coefficient of existing term, // or might insert new term; maintains terms // in order from greatest to least exponent private: … |
| | Hi all, I am trying to produce a basic till system, and at current am using an ADOquery to bring up the items ordered along with their relevant prices in a DBGrid. What I now need to be able to do is use the price values contained within the DBGrid … |
| | So essentially I'm prompting the user for two binary numbers. How can I add these together? I don't know how to get the 0b in front the the original input. If there is an easier way to do it, please let me know. #Prompt the user for two binary numbers … |
| | [CODE]Name: Rik Height: 5'8'' Weight: 145-ish lbs probably (I haven't checked in over a year) Hair: Greying brown Eyes: Blue Location: Wellington, New Zealand Year of birth: 1964 OSes: CP/M, Multics, Unix (various), MS-DOS, RSX, VMS, AmigaDOS, Linux (various), Windows (various) IT languages: RPN, BASIC, UCSD Pascal, C, exec-com, Fortran, … |
| | I am currently a C# developer with about a year of experience. I am currently working on finishing my computer science degree with a minor in mathematics. I love the job that I am in, but I the things I really want to do are in C++ (i.e. game development, … |
| | Hello, so I'm fairly new to python and I have become stumped on this one problem. As much as I would like you to solve the problem for me, I do not want you to do so without explanation, I would much rather have a step by step procedure. After … |
| | I'm trying to build a mortgage qualifying script for a company. My php code is working fine .. up until the if else statements. fyi I'm using wamp... heres the code. The code if very raw, i've only been working on it for a day or 2, but I can't …  |
 | Hi, I'm new to this forum and C#. I try to make an array that each is the sum of the value of each row in sims array. It gives me nothing but zero. Please help. TIA. [CODE]public double[] ave_S(int M, int N, double S, double sig, double dt, double[,] … |
| | Hello there! :) How should i solve for x in this equation: p*e^-x + q*sin(x) + r*cos(x) + s*tan(x) + t*x^2 + u = 0 with the user to input the values of p,q,r,s,t and u. i'm thinking of looping from 0.0001 until i-dont-know-what and then testing each value of … |
 | Dear Sir/Madam, I have created a sample program that dynamically created up to 7 numbers of Labels and Text Boxes. Here I want to add those numbers inputted by user on dynamically created text boxes. I have tried a lot but all are in vain. Please guide me to solve … |
| | So this is my final project for my class. The idea is to use my RationalNum class (which is complete and works fine... I just didn't attach the .cpp since it was only the driver) and use it to add, sub, & multi polynomials (RationalNum being the coefficients i.e. 1/4x^3 … |
 | Anyone got any idea how to sum values of a column instead of a row??? ie 1 2 3 4 2 3 4 5 4 3 2 1 [B]7 8 9 10[/B] |
| | Need a little help, I'm trying to run a program that asks the user to enter an integer between 1-50. If given a number between 1 and 50 then echo number then add all integer between 1 and integer entered if user enter an integer not between 1 and 50 …  |
| | Hi guys im having a lot of problems trying to code. I have opened a csv file and have read it using strings.I have splitted the strings by the ','. I want to load each of these values into a 2 dimensional array! but im having problems. Ultimatly i want … |
| | Hello, I am trying to write a algoritm that calculates the second largest divisor of a number. But i have absolutely no idea what calculations are required for this. [CODE] for (ulong i = 1; i < Number; i++) { Number = .....? }[/CODE] Already know the largest common diviser … |
| | I have 2 tables, MPW1400 LeaseRecNo PropNo BldgNo UnitNo LeaseStartDate MPW1482 LeaseRecNo EffectiveDate AnnualAmount CertNo My Objective is to get the total of 'AnnualAmount' Where MPW1400.LeaseRecNo = MPW1482.LeaseRecNo and CertNo = '1' Example: MPW1400 ------------------------------------------------------- LeaseRecNo | PropNo | BldgNo | UnitNo | LeaseStartDate ------------------------------------------------------- 12345 | RG52 | 24 … |
| | Hey everybody, Lately I have written the game Hangman in many different languages (C, JavaScript, Java and PHP so far). Here is the code snippet for PHP! It uses a words file, on the bottom of this post you will see a small example of a few words. The source …  |
| | For this code i am inputing one number and trying to see if it is a perfect number [CODE]#include<iostream> #include<cmath> #include<iomanip> #include<conio.h> using namespace std; void perfect(int); int isfactor(int, int); int N, i; int main() { perfect(N); isfactor(N, i); } int isfactor(int number, int divisor) { if(number%divisor==0) return 1; else … |
 | hi all.. how i can check there are palindrome in textbox. e.g : i input "daniweb a bewinad" thanks and please help. |
| | Hi, Everyone... I have a new domain in my hosting account and I've already created a wordpress blog about Cars.. However this is the result of a speed test I have made a few minutes ago makingmoneyblogs.info/carscarereview size=71.36 KB Load Time=36.19 seconds average speed per KB=0.51 seconds As you can … |
| | HI! I recently joined this forum as I am about to start a degree in Computer Science and although I have an A level in Mathematics and an interest for computers, I have not studied computer science and wish to read up about it before my course begins. I'm hoping … |
| | I have an assignment where I need to do some operations on polynomials (add, multiply, ...) which are represented by linked lists. Part of the assignment is to make an inner class Term containing two int fields and a constructor with coef and exp ints) I also need an inner … |
 | Fairly new to php but know enough to be dangerous. I'm really stumped on this: I have stat numbers already in database linked with an id and also created an add stats page. So when a user is on the add stats page they enter the specific id & new … |
| | I just need a help regarding this problem: a user is asked to enter two fractions, and the program should print the following -maximum -sum -product Output should be in proper fractional from and should be in lowest terms. The program must be able to identify if the numbers entered …  |
 | I have a fascination with fun math tricks.... If you know of any, id love to hear them! Examples: Square a 2 Digit Number Ending in 5 For this example we will use 25 * Take the "tens" part of the number (the 2 and add 1)=3 * Multiply the … |
| | i'm having problems displaying XML. When i remove 3rd line i got error(that on line 5 is an extra bit, that is wrong...), and when i keep 3rd line i cant see anything when displaying it on website.. :( i'm not a XML pro so help would be appreciated [CODE]<?xml …  |
| | This is a fragment of a program for finding palindrome numbers.Every checked number is a string which is reversed...and I'm using array of strings which isn't done right. Any help will be greatly appreciated. [CODE]#include <stdio.h> #include <string.h> void isPalindrome(char *str1[],int l){ int str1size = strlen(str1[l]); int n; int misMatch … |
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