Calculator for US individual income tax, from 1970-present

Show HN: Calculator for US individual income tax, from 1970-present

Calculator for US individual income tax, from 1970-present operates in show hn launch.

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I wanted to share a simple web app I created recently, which lets you estimate income taxes owed in the US: https://taxsim.appAll the calculations occur directly in the browser, and are powered by a Fortran program that has been converted to WASM using emscripten. This calculator was originally developed in the 1970s [1] by the non-profit National Bureau of Economic Research. NBER has been maintaining this F77 codebase for the last 50 years, and uses it primarily for academic research on tax policy. The Fortran source code itself is over 1MB of text, because it codifies both federal and all 50 states' tax laws for each of the last 62 years.I first learned about NBER TAXSIM [2] a few months a

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Website: taxsim.appAll