September 2017 Update

Task/Map-range/Bc/map-range.bc

@@ -0,0 +1,16 @@
+/* map s from [a, b] to [c, d] */
+define m(a, b, c, d, s) {
+	return (c + (s - a) * (d - c) / (b - a))
+}
+
+scale = 6  /* division to 6 decimal places */
+"[0, 10] => [-1, 0]
+"
+for (i = 0; i <= 10; i += 2) {
+	/*
+         * If your bc(1) has a print statement, you can try
+	 * print i, " => ", m(0, 10, -1, 0, i), "\n"
+	 */
+	i; "   => "; m(0, 10, -1, 0, i)
+}
+quit