This program renames all highlighted files in a folder or directory. If you have say 100 baby pitures taken on wednesday 8 August 2007 you could rename them all in one shot from pic_2007_aug_8_wed_1_baby.jpg to pic_2007_aug_8_wed_100_baby.jpg. You also have a… Read more ›
This program splits any file into smaller pieces. Use it also to unsplit these small files to the original big file again.
This program encodes and decodes single or multiple files. It has a big file full of random characters which it uses to encode and decode files.
This program makes editing text very easy with functions such as copy , cut , paste , search , deleting certain text from all lines , replacing text in all lines , adding to end of all lines , inserting… Read more ›
This program seeks text in non text or text files. Ideal if you look for passwords or names or cheatcodes or other hidden text in files with extensions such as .doc or .exe or .com or .jpg or .mpg and… Read more ›
This program is a text editor. Ideal if you want to delete duplicate or empty lines,insert text or variables in lines, replace text, decrease line length and so on. Try it.
This program calculates the size conduit or trunking or ducting needed for cables and conductors made of multi or single core.
Program generates random numbers for Lotto tickets. Any combination of numbers , say 6 numbers from 1-49 will give as result for example 1,20,34,35,40,48 etc. Two numbers from 1-500 will for example deliver 56,378 and so on. I have used… Read more ›
This program solves simultaneous equations of degree 2,3 and 4. It also determine roots of polynomials of degree 1, 2, 3 and 4. For example 2x+3y=6 and 5x-9y=23 will be solved by this program. It can also solve y=3x^4 +… Read more ›
This program extracts the roots of polynomials of any degree. It utilizes the numerical method of Bairstow to extract quadratic factors. It then divides the equation by the factor to get a new equation. The search then continues for another… Read more ›
This calculator determines the capacitor that has to be added to an electrical circuit to correct the power factor in circuits with inductive loads. It has two modes of operation. The first mode is depended on the input source voltage,… Read more ›
This game is played with three heaps of matches. You against computer. You are allowed to pick up as many matches from only one heap as you want to. Then it is the computer’s turn. The loser picks up the… Read more ›
The game consists of two players. You and the computer. You alternate in picking up matches. The last one to pick up a match loses.
Educational game for kids from 6 to 80. The computer guesses four colours and the player has to solve them from hints given by the computer. This is a thinking game. The aim is to solve the game as quickly… Read more ›
This program does fractions, prime factors, factors, common dividers, denominators and so on for lazy children. It is a great math teaching tool as it does factors and prime factors of numbers as well. it also work out the greatest… Read more ›
Program that calculates maximum current for single or multi core copper cables and conductors for different environmental conditions and different sizes. The cables may be single core or multi core. It calculates the current for cables in the air or… Read more ›
This program extracts complex roots from polynomials with complex coefficients. For example the equation Y = 3X^3 + iX -8 has the following roots. y = f(z) = + ( 3 + i 0 ) *z^ 3 + ( 0… Read more ›
This program reads any type of file and display the files characters and associated hex values of the characters. A very handy tool to see the hex values of all characters visible or invisible in the file.
This program calculates the airflow (cubic metres/second) you need for cooling. If you have cool air available you only need to blow this over hot equipment to cool them down.
This program calculates the air conditioning you need for a data or ICT centre or domestic home. It calculates the BTU/h and kilo Watt heat you generate. From this information you can decide what size aircon you need.
This program is an educational game. Numbers get scrambled by the program. The player then has to unscramble the numbers in the shortest amount of moves. Not as easy as it looks.
This program is a Sudoku 9X9 grid puzzle solver. You enter the numbers for the grid and the program will then solve the puzzle. It has variable speed as well. Ideal for the times when you are tired of not… Read more ›
Sudoku 16×16 is a sudoku puzzle solver. You enter the puzzle and he solves it. The letters A to G and number 1 to 9 are used to enter the puzzle. You can change the speed of the solver, pause… Read more ›
This is a game. The program scrambles a grid of numbers and you have to rearange it in the fewest of moves. Its a fun game and educational for kids as well.
This program demonstrates Newton’s gravity law with different examples. Trolleys being pulled with ropes and friction involded is one example. We also have bullets being shoot and pendulums swinging. The demo is fully workable except for some functions being disabled.… Read more ›
This program works out monthly installments on your homeloan and also supplies you with a list for all the months. It also tells you how much you may borrow on a certain payback amount. It also works out interest on… Read more ›
This program does large number mathematics. If your calculator tells you 2 to the power of 64 is 1.844674407371e19 don’t believe it. It is 18446744073709551616. The program can plus, divide, multiply do x to the power of y, do prime… Read more ›
This program works out the IP addresses for a given network address and subnet mask. Very helpfull if you want to set up your network quickly.
This game is an educational game testing and improving memory and numerical ability. The main purpose is to guess a number generated by the computer. The computer gives hints in the form of guessed number too big or too small.
This is a mathematical educational and fun program. It draws graphs of trigonometrical functions like cos,sin,tan,cot,sin^2 and so on and also graphs of polynomials, logs and so on. You have always wondered at their shape. Now see it.
The program calculates if it is viable to buy a property. Very handy if you buy property and you want to rent it out. It takes all possible factors into concideration. It also gives advice on what to look out… Read more ›
This program does numeric conversions from say metres to feet etc. It also features formulae for motion , light , electrical etc. It also features constants such as the distance from the earth to the sun etc. It also has… Read more ›
The program does all sort of complex arithmetic calculations on complex numbers. It can do powers, multiplication, addition, divide and parrallel combinations. It shows answers in a+ ib and in a*e^(i*angle). It is a good tool for anyone working with… Read more ›
This is a very big number calculator. It does numbers in a very big way. It does all sorts of mathematical calculations such as + – * ^ / ! mod fibonacci prime GCD LCM primeness binomial proth and Lucas… Read more ›
This program works out the calendar for any year and month. Quite handy if you want the calendar for say January 2050. Or if you want to know the day you were born, say 6 June 1963(Thursday). It prints the… Read more ›