Millions of Americans who file their own returns have long learned about tax math mistakes only after the Internal Revenue ...

The IRS has introduced a new law to fix tax filing math errors more clearly. The IRS MATH Act helps taxpayers understand mistakes, know where they happened, and respond on time. It aims to reduce ...

Seeing as Tuesday night is the deadline for filing tax returns, and seeing as data is FiveThirtyEight’s raison d’être, I was excited to find a set of statistics ...

In school, I liked math the least and history the most. Both can be useful in the coming debate over President Trump's proposed tax reforms. The one thing I learned in math class is that if the ...

This last weekend, Paul Ryan repeatedly dodged questions about the mathematical impossibility of the tax plan he and Mitt Romney are running on, and then, having burned through seven repeated ...

GOP partisans got their forecasts all wrong in the run-up to the election. Now they're showing their innumeracy in the policy arena, too. On election night, Republican strategist and Fox News ...

There's something breathtaking about any Paul Ryan budget. There are the savage cuts to healthcare and safety-net spending for the young and poor. The deep cuts to education, research, and ...