diff --git a/package-lock.json b/package-lock.json
index 46be7fc..1dc793b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3287,9 +3287,9 @@
       "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs="
     },
     "complex.js": {
-      "version": "2.0.11",
-      "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=="
     },
     "component-emitter": {
       "version": "1.3.0",
@@ -3875,9 +3875,9 @@
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "decimal.js": {
-      "version": "10.2.0",
-      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.0.tgz",
-      "integrity": "sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw=="
+      "version": "10.2.1",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.1.tgz",
+      "integrity": "sha512-KaL7+6Fw6i5A2XSnsbhm/6B+NuEA7TZ4vqxnd5tXz9sbKtrN9Srj8ab4vKVdK8YAqZO9P1kg45Y6YLoduPf+kw=="
     },
     "decode-uri-component": {
       "version": "0.2.0",
@@ -5315,9 +5315,9 @@
       "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
     },
     "fraction.js": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.12.tgz",
-      "integrity": "sha512-8Z1K0VTG4hzYY7kA/1sj4/r1/RWLBD3xwReT/RCrUCbzPszjNQCCsy3ktkU/eaEqX3MYa4pY37a52eiBlPMlhA=="
+      "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=="
     },
     "fragment-cache": {
       "version": "0.2.1",
@@ -7818,18 +7818,18 @@
       }
     },
     "mathjs": {
-      "version": "5.10.3",
-      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-5.10.3.tgz",
-      "integrity": "sha512-ySjg30BC3dYjQm73ILZtwcWzFJde0VU6otkXW/57IjjuYRa3Qaf0Kb8pydEuBZYtqW2OxreAtsricrAmOj3jIw==",
+      "version": "7.5.1",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-7.5.1.tgz",
+      "integrity": "sha512-H2q/Dq0qxBLMw+G84SSXmGqo/znihuxviGgAQwAcyeFLwK2HksvSGNx4f3dllZF51bWOnu2op60VZxH2Sb51Pw==",
       "requires": {
-        "complex.js": "2.0.11",
-        "decimal.js": "10.2.0",
-        "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": "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"
       }
     },
     "md5.js": {
@@ -12450,9 +12450,9 @@
       }
     },
     "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=="
     },
     "typedarray": {
       "version": "0.0.6",
diff --git a/package.json b/package.json
index 12f4404..2db5c97 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
-    "mathjs": "^5.4.2",
+    "mathjs": "^7.5.1",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-scripts": "3.3.0"
diff --git a/yarn.lock b/yarn.lock
index 441952c..1db582d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2930,10 +2930,10 @@ commondir@^1.0.1:
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
   integrity sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs=
 
-complex.js@2.0.11:
-  version "2.0.11"
-  resolved "https://registry.yarnpkg.com/complex.js/-/complex.js-2.0.11.tgz#09a873fbf15ffd8c18c9c2201ccef425c32b8bf1"
-  integrity sha512-6IArJLApNtdg1P1dFtn3dnyzoZBEF0MwMnrfF1exSBRpZYoy4yieMkpZhQDC0uwctw48vii0CFVyHfpgZ/DfGw==
+complex.js@^2.0.11:
+  version "2.0.12"
+  resolved "https://registry.yarnpkg.com/complex.js/-/complex.js-2.0.12.tgz#fa4df97d8928e5f7b6a86b35bdeecc3a3eda8a22"
+  integrity sha512-oQX99fwL6LrTVg82gDY1dIWXy6qZRnRL35N+YhIX0N7tSwsa0KFy6IEMHTNuCW4mP7FS7MEqZ/2I/afzYwPldw==
 
 component-emitter@^1.2.1:
   version "1.3.0"
@@ -3454,10 +3454,10 @@ decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
-decimal.js@10.2.0:
-  version "10.2.0"
-  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.2.0.tgz#39466113a9e036111d02f82489b5fd6b0b5ed231"
-  integrity sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw==
+decimal.js@^10.2.1:
+  version "10.2.1"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.2.1.tgz#238ae7b0f0c793d3e3cea410108b35a2c01426a3"
+  integrity sha512-KaL7+6Fw6i5A2XSnsbhm/6B+NuEA7TZ4vqxnd5tXz9sbKtrN9Srj8ab4vKVdK8YAqZO9P1kg45Y6YLoduPf+kw==
 
 decode-uri-component@^0.2.0:
   version "0.2.0"
@@ -3890,7 +3890,7 @@ escape-html@~1.0.3:
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
   integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
 
-escape-latex@1.2.0:
+escape-latex@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/escape-latex/-/escape-latex-1.2.0.tgz#07c03818cf7dac250cce517f4fda1b001ef2bca1"
   integrity sha512-nV5aVWW1K0wEiUIEdZ4erkGGH8mDxGyxSeqPzRNtWP7ataw+/olFObw7hujFWlVjNsaDFw5VZ5NzVSIqRgfTiw==
@@ -4544,10 +4544,10 @@ forwarded@~0.1.2:
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
   integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
 
-fraction.js@4.0.12:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.0.12.tgz#0526d47c65a5fb4854df78bc77f7bec708d7b8c3"
-  integrity sha512-8Z1K0VTG4hzYY7kA/1sj4/r1/RWLBD3xwReT/RCrUCbzPszjNQCCsy3ktkU/eaEqX3MYa4pY37a52eiBlPMlhA==
+fraction.js@^4.0.12:
+  version "4.0.13"
+  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.0.13.tgz#3c1c315fa16b35c85fffa95725a36fa729c69dfe"
+  integrity sha512-E1fz2Xs9ltlUp+qbiyx9wmt2n9dRzPsS11Jtdb8D2o+cC7wr9xkkKsVKJuBX0ST+LVS+LhLO+SbLJNtfWcJvXA==
 
 fragment-cache@^0.2.1:
   version "0.2.1"
@@ -5659,7 +5659,7 @@ istanbul-reports@^2.2.6:
   dependencies:
     handlebars "^4.1.2"
 
-javascript-natural-sort@0.7.1:
+javascript-natural-sort@^0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz#f9e2303d4507f6d74355a73664d1440fb5a0ef59"
   integrity sha1-+eIwPUUH9tdDVac2ZNFED7Wg71k=
@@ -6492,19 +6492,19 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-mathjs@^5.4.2:
-  version "5.10.3"
-  resolved "https://registry.yarnpkg.com/mathjs/-/mathjs-5.10.3.tgz#e998885f932ea8886db8b40f7f5b199f89b427f1"
-  integrity sha512-ySjg30BC3dYjQm73ILZtwcWzFJde0VU6otkXW/57IjjuYRa3Qaf0Kb8pydEuBZYtqW2OxreAtsricrAmOj3jIw==
+mathjs@^7.5.1:
+  version "7.5.1"
+  resolved "https://registry.yarnpkg.com/mathjs/-/mathjs-7.5.1.tgz#eb125295310a99ddcaf6145c47b09aab36e48274"
+  integrity sha512-H2q/Dq0qxBLMw+G84SSXmGqo/znihuxviGgAQwAcyeFLwK2HksvSGNx4f3dllZF51bWOnu2op60VZxH2Sb51Pw==
   dependencies:
-    complex.js "2.0.11"
-    decimal.js "10.2.0"
-    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 "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"
 
 md5.js@^1.3.4:
   version "1.3.5"
@@ -9185,7 +9185,7 @@ schema-utils@^2.0.0, schema-utils@^2.0.1, schema-utils@^2.1.0, schema-utils@^2.2
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
 
-seed-random@2.2.0:
+seed-random@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/seed-random/-/seed-random-2.2.0.tgz#2a9b19e250a817099231a5b99a4daf80b7fbed54"
   integrity sha1-KpsZ4lCoFwmSMaW5mk2vgLf77VQ=
@@ -9968,7 +9968,7 @@ timsort@^0.3.0:
   resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
-tiny-emitter@2.1.0:
+tiny-emitter@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
   integrity sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==
@@ -10112,10 +10112,10 @@ type@^2.0.0:
   resolved "https://registry.yarnpkg.com/type/-/type-2.0.0.tgz#5f16ff6ef2eb44f260494dae271033b29c09a9c3"
   integrity sha512-KBt58xCHry4Cejnc2ISQAF7QY+ORngsWfxezO68+12hKV6lQY8P/psIkcbjeHWn7MqcgciWJyCCevFMJdIXpow==
 
-typed-function@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/typed-function/-/typed-function-1.1.0.tgz#ea149706e0fb42aca1791c053a6d94ccd6c4fdcb"
-  integrity sha512-TuQzwiT4DDg19beHam3E66oRXhyqlyfgjHB/5fcvsRXbfmWPJfto9B4a0TBdTrQAPGlGmXh/k7iUI+WsObgORA==
+typed-function@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/typed-function/-/typed-function-2.0.0.tgz#15ab3825845138a8b1113bd89e60cd6a435739e8"
+  integrity sha512-Hhy1Iwo/e4AtLZNK10ewVVcP2UEs408DS35ubP825w/YgSBK1KVLwALvvIG4yX75QJrxjCpcWkzkVRB0BwwYlA==
 
 typedarray@^0.0.6:
   version "0.0.6"