diff --git a/package-lock.json b/package-lock.json
index 623ab5d..35c54f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -645,9 +645,9 @@
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-      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.11.tgz",
-      "integrity": "sha512-6IArJLApNtdg1P1dFtn3dnyzoZBEF0MwMnrfF1exSBRpZYoy4yieMkpZhQDC0uwctw48vii0CFVyHfpgZ/DfGw=="
+      "version": "2.0.12",
+      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.12.tgz",
+      "integrity": "sha512-oQX99fwL6LrTVg82gDY1dIWXy6qZRnRL35N+YhIX0N7tSwsa0KFy6IEMHTNuCW4mP7FS7MEqZ/2I/afzYwPldw=="
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@@ -752,9 +752,9 @@
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     },
     "decimal.js": {
-      "version": "10.0.1",
-      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.0.1.tgz",
-      "integrity": "sha512-vklWB5C4Cj423xnaOtsUmAv0/7GqlXIgDv2ZKDyR64OV3OSzGHNx2mk4p/1EKnB5s70k73cIOOEcG9YzF0q4Lw=="
+      "version": "10.2.1",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.1.tgz",
+      "integrity": "sha512-KaL7+6Fw6i5A2XSnsbhm/6B+NuEA7TZ4vqxnd5tXz9sbKtrN9Srj8ab4vKVdK8YAqZO9P1kg45Y6YLoduPf+kw=="
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@@ -1214,9 +1214,9 @@
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-      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.11.tgz",
-      "integrity": "sha512-wyQd1A06dTom7vTkf8OsnqXNi5XjleeaDFrvQX3SDIyMsVN1eb8KSGH3fsckF5FMlSWBrMfDCcJWVf99rXbf/g=="
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.13.tgz",
+      "integrity": "sha512-E1fz2Xs9ltlUp+qbiyx9wmt2n9dRzPsS11Jtdb8D2o+cC7wr9xkkKsVKJuBX0ST+LVS+LhLO+SbLJNtfWcJvXA=="
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@@ -1738,7 +1738,7 @@
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-      "resolved": "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
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@@ -2394,18 +2394,18 @@
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-      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-5.3.1.tgz",
-      "integrity": "sha512-6Z1Yev5Bl0XrKiaV9Rbj9wTf4Ba0pUHrM/cRc69MqgtfTw37QGUSavypbicUlbPLC0BK8mqJ5+WA6/Rk9Rx2kg==",
+      "version": "7.5.1",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-7.5.1.tgz",
+      "integrity": "sha512-H2q/Dq0qxBLMw+G84SSXmGqo/znihuxviGgAQwAcyeFLwK2HksvSGNx4f3dllZF51bWOnu2op60VZxH2Sb51Pw==",
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-        "complex.js": "2.0.11",
-        "decimal.js": "10.0.1",
-        "escape-latex": "1.2.0",
-        "fraction.js": "4.0.11",
-        "javascript-natural-sort": "0.7.1",
-        "seed-random": "2.2.0",
-        "tiny-emitter": "2.0.2",
-        "typed-function": "1.1.0"
+        "complex.js": "^2.0.11",
+        "decimal.js": "^10.2.1",
+        "escape-latex": "^1.2.0",
+        "fraction.js": "^4.0.12",
+        "javascript-natural-sort": "^0.7.1",
+        "seed-random": "^2.2.0",
+        "tiny-emitter": "^2.1.0",
+        "typed-function": "^2.0.0"
       }
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     "media-typer": {
@@ -3991,9 +3991,9 @@
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-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.2.tgz",
-      "integrity": "sha512-2NM0auVBGft5tee/OxP4PI3d8WItkDM+fPnaRAVo6xTDI2knbz9eC5ArWGqtGlYqiH3RU5yMpdyTTO7MguC4ow=="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q=="
     },
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@@ -4098,9 +4098,9 @@
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     "typed-function": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-1.1.0.tgz",
-      "integrity": "sha512-TuQzwiT4DDg19beHam3E66oRXhyqlyfgjHB/5fcvsRXbfmWPJfto9B4a0TBdTrQAPGlGmXh/k7iUI+WsObgORA=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-2.0.0.tgz",
+      "integrity": "sha512-Hhy1Iwo/e4AtLZNK10ewVVcP2UEs408DS35ubP825w/YgSBK1KVLwALvvIG4yX75QJrxjCpcWkzkVRB0BwwYlA=="
     },
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diff --git a/package.json b/package.json
index e168edf..30b7664 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "express": "^4.16.4",
     "jquery": "^3.4.1",
     "lodash": "^4.17.11",
-    "mathjs": "^5.3.1",
+    "mathjs": "^7.5.1",
     "method-override": "^3.0.0",
     "moment": "^2.22.2",
     "mongodb": "^3.1.10",