Pascal programs.
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In the archive there are the 3 most interesting programs written back in high school on Turbo Pascal: FunBill program for graph plot building and functions analysis; programs MUSTAPH2 and ASTEROID are 2D shooters. FunBill was a kind of coursework during my last year at school and it helped me a lot with making math homework. The program builds plots for functions of one and two variables, also in 3D; draws plots for parametric functions; calculates tangent lines, asymptote, derivative and antiderivative functions; calculates integral with 3 numerical methods and so on. The most difficalt part was to make a parser for function expression.
To run these programs you will need a Dos emulator (e.g. DosBox)