The R value calculation is available in Matlab:
- <https://uk.mathworks.com/help/matlab/ref/corrcoef.html R coefficient>As for the t-test, you'll need a Statistical Toolbox for the off-the box function. However, if you read up on the t-test, you'll be able to write up your own t-test function in Matlab, as it's not very complicated:
- t-test doc
I'll bet you've got Excel installed on your computer. If so, go to the following tab and find the help file for the t-test analysis. In there you'll find the formulas for all different types of the t-test. Though,this Data Analysis tab is sometimes disabled. But you can easily enable it in the add-on section of the settings - 3 seconds with google and you'll find the way to enable it. It's actually recommended that you do it this way as there are different types of the t-test and you need to understand the differences and choose the right one for your application.