diff --git a/package-lock.json b/package-lock.json
index ffd5b8c..f076e1f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3391,6 +3391,11 @@
       "resolved": "https://registry.npmjs.org/compare-versions/-/compare-versions-3.4.0.tgz",
       "integrity": "sha512-tK69D7oNXXqUW3ZNo/z7NXTEz22TCF0pTE+YF9cxvaAM9XnkLo1fV621xCLrRR6aevJlKxExkss0vWqUCUpqdg=="
     },
+    "complex.js": {
+      "version": "2.0.13",
+      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.13.tgz",
+      "integrity": "sha512-UEWd3G3/kd3lJmsdLsDh9qfinJlujL4hIFn3Vo4/G5eqehPsgCHf2CLhFs77tVkOp2stt/jbNit7Q1XFANFltA=="
+    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
@@ -3923,6 +3928,11 @@
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
+    "decimal.js": {
+      "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",
       "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
@@ -4352,6 +4362,11 @@
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
+    "escape-latex": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/escape-latex/-/escape-latex-1.2.0.tgz",
+      "integrity": "sha512-nV5aVWW1K0wEiUIEdZ4erkGGH8mDxGyxSeqPzRNtWP7ataw+/olFObw7hujFWlVjNsaDFw5VZ5NzVSIqRgfTiw=="
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -5336,6 +5351,11 @@
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
       "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
     },
+    "fraction.js": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.1.1.tgz",
+      "integrity": "sha512-MHOhvvxHTfRFpF1geTK9czMIZ6xclsEor2wkIGYYq+PxcQqT7vStJqjhe6S1TenZrMZzo+wlqOufBDVepUEgPg=="
+    },
     "fragment-cache": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
@@ -6420,6 +6440,11 @@
         "handlebars": "^4.1.2"
       }
     },
+    "javascript-natural-sort": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz",
+      "integrity": "sha1-+eIwPUUH9tdDVac2ZNFED7Wg71k="
+    },
     "jest": {
       "version": "24.7.1",
       "resolved": "https://registry.npmjs.org/jest/-/jest-24.7.1.tgz",
@@ -7847,6 +7872,21 @@
         "object-visit": "^1.0.0"
       }
     },
+    "mathjs": {
+      "version": "6.6.5",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-6.6.5.tgz",
+      "integrity": "sha512-jvRqk7eoEHBcx/lskmy05m+8M7xDHAJcJzRJoqIsqExtlTHPDQO0Zv85g5F0rasDAXF+DLog/70hcqCJijSzPQ==",
+      "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": "^1.1.1"
+      }
+    },
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -8888,9 +8928,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "7.0.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.15.tgz",
-      "integrity": "sha512-+avadY713SyQf0m5np7byFzAFZyhPhXyxwp8OVmdd5mKOxm0VzM2AJkKIgBro7gGVk4kYlCDvBVrSqhU5m8E+w==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "requires": {
         "chalk": "^2.4.2",
         "source-map": "^0.6.1",
@@ -9728,9 +9768,9 @@
       "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
     },
     "prettier": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
-      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.3.1.tgz",
+      "integrity": "sha512-p+vNbgpLjif/+D+DwAZAbndtRrR0md0MwfmOVN9N+2RgyACMT+7tfaRnT+WDPkqnuVwleyuBIG2XBxKDme3hPA==",
       "dev": true
     },
     "pretty-bytes": {
@@ -10372,6 +10412,16 @@
         "symbol-observable": "^1.2.0"
       }
     },
+    "redux-promise-middleware": {
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/redux-promise-middleware/-/redux-promise-middleware-6.1.2.tgz",
+      "integrity": "sha512-ZqZu/nnSzGgwTtNbGoGVontpk7LjTOv0kigtt3CcgXI9gpq+8WlfXTXRZD0WTD5yaohRq0q2nYmJXSTjwXs83Q=="
+    },
+    "redux-thunk": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/redux-thunk/-/redux-thunk-2.3.0.tgz",
+      "integrity": "sha512-km6dclyFnmcvxhAcrQV2AkZmPQjzPDjgVlQtR0EQjxZPyJ0BnMf3in1ryuR8A2qU0HldVRfxYXbFSKlI3N7Slw=="
+    },
     "regenerate": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.0.tgz",
@@ -10841,6 +10891,11 @@
         "ajv-keywords": "^3.1.0"
       }
     },
+    "seed-random": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/seed-random/-/seed-random-2.2.0.tgz",
+      "integrity": "sha1-KpsZ4lCoFwmSMaW5mk2vgLf77VQ="
+    },
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -11731,6 +11786,11 @@
       "resolved": "https://registry.npmjs.org/timsort/-/timsort-0.3.0.tgz",
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q="
     },
+    "tiny-emitter": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q=="
+    },
     "tmp": {
       "version": "0.0.33",
       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -11862,6 +11922,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typed-function": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-1.1.1.tgz",
+      "integrity": "sha512-RbN7MaTQBZLJYzDENHPA0nUmWT0Ex80KHItprrgbTPufYhIlTePvCXZxyQK7wgn19FW5bnuaBIKcBb5mRWjB1Q=="
+    },
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
diff --git a/yarn.lock b/yarn.lock
index 53cfa16..d7953c4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8080,9 +8080,9 @@ postcss-values-parser@^2.0.0:
     uniq "^1.0.1"
 
 postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.2, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.14.tgz#4527ed6b1ca0d82c53ce5ec1a2041c2346bbd6e5"
-  integrity sha512-NsbD6XUUMZvBxtQAJuWDJeeC4QFsmWsfozWxCJPWf3M55K9iu2iMDaKqyoOdTJ1R4usBXuxlVFAIo8rZPQD4Bg==
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"