Digit classification with machine learning, running in the browser using BLAS routines compiled to WebAssembly. Introduction Fortran1 is one of the oldest programming languages around. It first appeared in 1957, making it older than the C programming language, the Intel 4004 CPU, and even the IBM System/360 series of mainframe computers2. Fortran was created at a time when the byte had just been invented, and computers were still made of vacuum tubes and frustration. 1 The name is derived from F...