import printer.formatter as pf; euler(f, y, a, b, h) { while (a < b) { println(pf.rightAligned(2, a), " ", y); a += h; y += h * f(y); } } main() { for (i in [2.0, 5.0, 10.0]) { println("\nFor delta = ", i, ":"); euler((temp) => -0.07 * (temp - 20), 100.0, 0.0, 100.0, i); } }