# Calculators

## VRCBuzz Calculators for All

        Get a complete collection of best online calculators for Statistics, Mathematics, Physics, Finance, Health, Conversion and many more. Calculators along with illustrative step by step guide with examples provide learning experience much simpler.
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### Perfect Calculations

Calculators are prepared by the experts and are based on theoretical concepts.

### Perfect Formulas

Related formulas are given for each calculators with detail notation.

### Illustrations

Every calculator is accomplished with step by step illustrated examples.

### Check

Easy to get results for complicated calculations.

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## p value calculator for Z-test

p-value calculator helps you to determine p-value for Z-test given the Z-value and the type of alternative hypothesis.

## p-value calculator for t-test

p-value calculator helps you to determine p-value for t-test given the t-value, the degrees of freedom and the type of alternative hypothesis.

## Z-test calculator for mean

Use this calculator to test the hypothesis about population mean for large sample.

## paired t-test calculator

Paired t-test calculator calculates the standard error, test statistics for paired t-test, critical value for paired t-test, p-value for paired t-test.

## Binomial Dist. Calculator

Given the value of n and p, this calculator calculates Binomial probabilities, cumulative binomial probabilities

## Poisson Dist. Calculator

Given the value of lambda (mean), this calculator calculates Poisson probabilities P(X=x), cumulative Poisson probabilities