Data commit

Task/Evaluate-binomial-coefficients/PowerShell/evaluate-binomial-coefficients.psh

@@ -0,0 +1,17 @@
+function choose($n,$k) {
+    if($k -le $n -and 0 -le $k) {
+        $numerator = $denominator = 1
+        0..($k-1) | foreach{
+            $numerator *= ($n-$_)
+            $denominator *= ($_ + 1)
+        }
+        $numerator/$denominator
+    } else {
+        "$k is greater than $n or lower than 0"
+    }
+}
+choose 5 3
+choose 2 1
+choose 10 10
+choose 10 2
+choose 10 8