diff --git a/app.js b/app.js
index fd4b6da8..6e31891f 100644
--- a/app.js
+++ b/app.js
@@ -639,7 +639,7 @@ if (typeof JSON === "undefined") {
 require("app/assets/js/core-js-3.38.0.minified");
 
 // Squel.js SQL query string builder for Javascript
-var squel = require("app/assets/js/squel-basic-5.13.0.hiddentao-afa1cb5.wsh");
+var squel = require("app/assets/js/squel-basic-5.13.0-afa1cb5.wsh");
 
 // JavaScript YAML parser and dumper. 
 var yaml = require("app/assets/js/js-yaml-4.1.0.wsh");
diff --git a/app/assets/js/jquery.html5-placeholder-shim.jcampbell1-5a87f05.js b/app/assets/js/jquery.html5-placeholder-shim-5a87f05.js
similarity index 100%
rename from app/assets/js/jquery.html5-placeholder-shim.jcampbell1-5a87f05.js
rename to app/assets/js/jquery.html5-placeholder-shim-5a87f05.js
diff --git a/app/assets/js/numbers-0.7.0.wsh.js b/app/assets/js/numbers-0.7.0.wsh.js
index 56800303..0725cf1c 100644
--- a/app/assets/js/numbers-0.7.0.wsh.js
+++ b/app/assets/js/numbers-0.7.0.wsh.js
@@ -1443,6 +1443,7 @@ matrix.determinant = function (m) {
     return m[0][0] * m[1][1] - m[0][1] * m[1][0];
   }
 
+  /*
   for (col = 0; col < numCol; col++) {
     diagLeft = m[0][col];
     diagRight = m[0][col];
@@ -1454,8 +1455,29 @@ matrix.determinant = function (m) {
 
     det += diagRight - diagLeft;
   }
-
+  
   return det;
+  */
+  
+  // new algorithm for matrix determinant #161 @youngbizman
+  // https://github.com/numbers/numbers.js/pull/161
+  // https://github.com/numbers/numbers.js/issues/160
+  var indexColumn = 0;
+  var result = 0;
+  var numberOfAddedRows = 0;
+  while (indexColumn < numCol) {
+    numberOfAddedRows = 0;
+    var newArray = new Array();
+    while (numberOfAddedRows < numRow - 1) {
+      newArray.push(m[numberOfAddedRows + 1].slice(0, indexColumn).concat(m[numberOfAddedRows + 1].slice(indexColumn + 1)));
+      numberOfAddedRows++;
+	}
+	
+    result += Math.pow(-1, indexColumn) * m[0][indexColumn] * matrix.determinant(newArray);
+    indexColumn++;
+  }
+  
+  return result;
 };
 
 /**
diff --git a/app/assets/js/respond-1.4.2.edited.js b/app/assets/js/respond-1.4.2.wsh.js
similarity index 100%
rename from app/assets/js/respond-1.4.2.edited.js
rename to app/assets/js/respond-1.4.2.wsh.js
diff --git a/app/assets/js/selectivizr-1.0.2.edited.js b/app/assets/js/selectivizr-1.0.2.wsh.js
similarity index 100%
rename from app/assets/js/selectivizr-1.0.2.edited.js
rename to app/assets/js/selectivizr-1.0.2.wsh.js
diff --git a/app/assets/js/squel-basic-5.13.0.hiddentao-afa1cb5.wsh.js b/app/assets/js/squel-basic-5.13.0-afa1cb5.wsh.js
similarity index 100%
rename from app/assets/js/squel-basic-5.13.0.hiddentao-afa1cb5.wsh.js
rename to app/assets/js/squel-basic-5.13.0-afa1cb5.wsh.js
diff --git a/lib/browser.js b/lib/browser.js
index fb04ce04..d009096f 100644
--- a/lib/browser.js
+++ b/lib/browser.js
@@ -205,8 +205,8 @@ function start(callback) {
     }
     addScript("app/assets/js/html5shiv-printshiv-3.7.3.min.js");
     if (msie < 9) {
-        addScript("app/assets/js/respond-1.4.2.edited.js");
-        addScript("app/assets/js/selectivizr-1.0.2.edited.js");
+        addScript("app/assets/js/respond-1.4.2.wsh.js");
+        addScript("app/assets/js/selectivizr-1.0.2.wsh.js");
         addScript("app/assets/js/excanvas.arv-565afad.js");
 
         waitUntil(function(test, ttl) {
@@ -221,7 +221,7 @@ function start(callback) {
             return window.jQuery;
         });
     }
-    addScript("app/assets/js/jquery.html5-placeholder-shim.jcampbell1-5a87f05.js");
+    addScript("app/assets/js/jquery.html5-placeholder-shim-5a87f05.js");
 
     // load Modernizr (2.8.3)
     addScript("app/assets/js/modernizr-2.8.3.min.js");
@@ -254,7 +254,7 @@ exports.start = start;
 exports.reload = reload;
 exports.close = close;
 
-exports.VERSIONINFO = "Browser Compatibility Library (browser.js) version 0.1.5";
+exports.VERSIONINFO = "Browser Compatibility Library (browser.js) version 0.1.6";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = global.require;