feat(new-tool): math evaluator

src/tools/math-evaluator/math-evaluator.vue

@@ -0,0 +1,38 @@
+<template>
+  <div>
+    <n-input
+      v-model:value="expression"
+      rows="1"
+      type="textarea"
+      placeholder="Your math expression (ex: 2*sqrt(6) )..."
+      size="large"
+      autocomplete="off"
+      autocorrect="off"
+      autocapitalize="off"
+      spellcheck="false"
+    />
+    <br />
+    <br />
+
+    <n-card v-if="result !== ''" title="Result ">
+      {{ result }}
+    </n-card>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { evaluate } from 'mathjs';
+import { computed, ref } from 'vue';
+
+const expression = ref('');
+
+const result = computed(() => {
+  try {
+    return evaluate(expression.value) ?? '';
+  } catch (_) {
+    return '';
+  }
+});
+</script>
+
+<style lang="less" scoped></style>