Confidence Interval Calculators October 2st, I have added two confidence interval calculators. Sorry for the inconvenience. Function Grapher November 17th, I have made a new function grapher to replace the old flash grapher we had. This is a fraction reduction tool fraction-reduction-lowest-terms.
You can check it here. Fraction Reduction November 13th, I get a lots of requests for this one, so here it goes. Coming soon a couple of online calculators for critical values for the z-distribution and the t-distribution.
Let me introduce our Polynomial Operations Calculatorwith which you can add, subtract and multiply polynomials, with the solution shown step-by-step. Summer is over Sept 24rd, Summer is over, and time is back for some math. Our aim is to offer the best quality free math help, for which reason we will continue adding more and more useful content.
Very user friendly, define hypotheses, and parameters of the test, and a detailed step-by-step calculation is performed. I added a mean calculatorstandard deviation calculator and median calculator. Tips for finding math help September 9th, I have added a new article.
Depending of the operation required it conducts the appropriate steps to reach the final fraction result, in reduced form.
Also, I found this interesting article about the advantages of staring with Algebra early in life. As many of you know, I run this site on my spare time trying to keep it as updated as possible.
Also, we have started with MathQuill, and excellent option for enhancing the input of math. They are a binomial distribution calculator and a Poisson distribution calculator. New Site Design September 8th, I am very pleased to announce that we have rolled a new site design, with a much improved mobile functionality.
See article List of Calculus Problems I found a new site offering sample solved calculus problems: You enter the categories, the values associated with each of the categories, and a bar chart rendered by the script. News November 11th, Great changes to improve user experience are coming very soon.
Fixed scatterplot tool and added regression line tool November 3rd, I made a few adjustments to the scatterplot module, and added a new regression line tool, to complement the existing tool. Mortgage Calculator October 8th, Not exactly the typical calculator we do, but I have had some requests for it, so I added a simple mortgage calculator tool to compute the monthly payment for a mortgage, under basic assumptions without considering PMI and insurance.
Update I have updated the pie chart maker script.
This next first Math Crack is about an easy explanation of derivatives. Interesting Math Help Links. Statistics Calculators I have added a couple of algebraic solvers for arithmetic sequences and geometric sequences. New Article I just added an article about math problem solving techniques.
Statistics Calculators August 15th, Z-scores are the way we compute normal probabilities, as any general normal distribution can always be reduced to a standard normal distribution. Check out this Z-Scores Calculator. I will be adding a complete set of Algebra solvers, so stay tuned. Algebraic Expression Calculator November 19th, New solver in our Algebra series, now I have added a solver that evaluates all sort of algebraic expressions that can include any kind of operation sum, subtraction, multiplication, divisionnumbers, fractions, trigonometric functions, exponential functions, powers, roots, etc.
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