# Math Tools

## Normal Distribution Calculator

https://surfstat.anu.edu.au/surfstat-home/tables/normal.php

## Online Integral Calculator

https://www.integral-calculator.com/

## Online Derivative Calculator

https://www.derivative-calculator.net/

## Table: Chi-Square Probabilities

https://people.richland.edu/james/lecture/m170/tbl-chi.html

## t-distribution quantiles

http://user.keio.ac.jp/~clinet/teaching/tquantiles.pdf

## t Table

http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf

## t test Calculator

https://stattrek.com/online-calculator/t-distribution.aspx

## chi-square-calculator

https://www.mathsisfun.com/data/chi-square-calculator.html

## Upper Tail probability of Chi Square Distribution(The Best)

https://shiny.rit.albany.edu/stat/chisq/

## Solving Simple Equations

https://www.mathpapa.com/equation-solver/

## Draw a Function(2D or 3D)

If an equation can not be solved by the online solver tools, you can draw it in some software, one software is call Grapher shipped by MacOS.

## Gamma Distribution

https://keisan.casio.com/exec/system/1180573217

## Draw a Function

• Grapher by Apple Inc
• G Search Box

## graphing-calculator

https://pt.symbolab.com/graphing-calculator

for example, input this: x^2+y^2-xy=1

## LaTeX Documentation

https://en.wikibooks.org/wiki/LaTeX/Mathematics