diff --git a/src/App.vue b/src/App.vue
index d29ddff..bd95094 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -2,6 +2,10 @@
 
 <template>
 	<v-app>
+		<nav>
+			<RouterLink to="/calc">Calc </RouterLink>
+			<RouterLink to="/reverse-calc">Reverse-Calc</RouterLink>
+		</nav>
 		<main class="main">
 			<RouterView />
 		</main>
diff --git a/src/pages/ReverseCalc.vue b/src/pages/ReverseCalc.vue
new file mode 100644
index 0000000..0c475c6
--- /dev/null
+++ b/src/pages/ReverseCalc.vue
@@ -0,0 +1,174 @@
+<script setup lang="ts">
+import { ref } from 'vue';
+import IrdomSection from '../components/IrdomSection.vue';
+
+function getCombinations(options, optionIndex, results, current) {
+	var allKeys = Object.keys(options);
+	const optionKey = allKeys[optionIndex];
+
+	const vals = options[optionKey];
+
+	for (var i = 0; i < vals.length; i++) {
+		current[optionKey] = vals[i];
+
+		if (optionIndex + 1 < allKeys.length) {
+			getCombinations(options, optionIndex + 1, results, current);
+		} else {
+			var res = JSON.parse(JSON.stringify(current));
+			results.push(res);
+		}
+	}
+
+	return results;
+}
+
+const sumValues = (obj) => Object.values(obj).reduce((a, b) => a + b, 0);
+
+const Stipend = {
+	'gas': [0, 2941, 3382, 3367],
+	'pgas': [0, 13685],
+	'gss': [0, 4413],
+	'pgss': [0, 14364],
+};
+
+var tempResults = getCombinations(Stipend, 0, [], {});
+var sum = 0;
+var tax = 0;
+
+const results = [];
+
+for (const tempRes of tempResults) {
+	sum = sumValues(tempRes);
+	tax = 0.04 * sum;
+	const res = Object.assign({}, tempRes);
+	res['sum'] = sum;
+	res['tax'] = 0;
+	results.push(res);
+	const resTax = Object.assign({}, tempRes);
+	resTax['sum'] = sum * 0.96;
+	resTax['tax'] = -tax;
+	results.push(resTax);
+}
+
+console.log(results);
+
+const inputSum = ref(0);
+
+const recount = () => {
+	const obj = results.find(o => o.sum === Number(inputSum.value));
+	console.log(obj);
+	if (obj !== undefined) {
+		document.getElementById('gas').textContent = obj['gas'] + ' ₽';
+		document.getElementById('pgas').textContent = obj['pgas'] + ' ₽';
+		document.getElementById('gss').textContent = obj['gss'] + ' ₽';
+		document.getElementById('pgss').textContent = obj['pgss'] + ' ₽';
+		document.getElementById('tax').textContent = obj['tax'] + ' ₽';
+		document.getElementById('result').textContent = obj['sum'] + ' ₽';
+	} else {
+		document.getElementById('result').textContent = 'Нет такого варианта';
+	}
+};
+</script>
+
+<template>
+	<div class="container">
+		<div class="rounded calc">
+			<IrdomSection title="Введите полученную сумму">
+				<v-text-field v-model="inputSum" label="Полученная сумма" @update:model-value="recount"></v-text-field>
+				<!-- <p id="some">f</p> -->
+				<v-divider />
+			</IrdomSection>
+			<div>
+				<div class="d-flex justify-space-between">
+					<v-sheet class="pay">ГАС</v-sheet>
+					<div id="gas" class="sum-plus">0 ₽</div>
+				</div>
+				<div class="d-flex justify-space-between">
+					<v-sheet class="pay">ПГАС</v-sheet>
+					<div id="pgas" class="sum-plus">0 ₽</div>
+				</div>
+				<div class="d-flex justify-space-between">
+					<v-sheet class="pay">ГСС</v-sheet>
+					<div id="gss" class="sum-plus">0 ₽</div>
+				</div>
+				<div class="d-flex justify-space-between">
+					<v-sheet class="pay">ПГСС</v-sheet>
+					<div id="pgss" class="sum-plus">0 ₽</div>
+				</div>
+				<div class="d-flex justify-space-between">
+					<v-sheet class="pay">Профвзнос</v-sheet>
+					<div id="tax" class="sum-minus">-0 ₽</div>
+				</div>
+			</div>
+			<v-divider />
+			<div class="your d-flex justify-space-between">
+				<div class="result">Сумма:</div>
+				<div id="result" class="stipend">0 ₽</div>
+			</div>
+		</div>
+	</div>
+</template>
+
+<style scoped>
+.pay {
+	text-align: left;
+	font-size: 25px;
+}
+
+.sum-plus {
+	height: 54px;
+	display: flex;
+	align-items: center;
+	font-size: 20px;
+	background: green;
+	color: white;
+	border-radius: 999px;
+	margin: 10px 0px 10px 0px;
+	padding: 0px 30px;
+	min-width: max(54px, fit-content);
+	justify-content: center;
+}
+
+.sum-minus {
+	height: 54px;
+	display: flex;
+	align-items: center;
+	font-size: 20px;
+	background: red;
+	color: white;
+	border-radius: 999px;
+	padding: 0 30px;
+	margin: 10px 0px 10px 0px;
+	min-width: max(54px, fit-content);
+	justify-content: center;
+}
+
+.stipend {
+	height: 54px;
+	display: flex;
+	align-items: center;
+	font-size: 40px;
+	background: rgb(221, 221, 231);
+	color: white;
+	border-radius: 999px;
+	margin-top: 10px;
+	padding: 0 16px;
+	min-width: max(54px, fit-content);
+	justify-content: center;
+}
+
+.your {
+	font-size: 30px;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	display: flex;
+	align-items: center;
+	gap: 8px;
+}
+
+.container {
+	position: relative;
+	height: 100vh;
+	overflow: hidden;
+}
+</style>
diff --git a/src/router/index.ts b/src/router/index.ts
index 1a3be41..c0d1e8c 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -1,6 +1,9 @@
 import { RouteRecordRaw, createRouter, createWebHistory } from 'vue-router';
 
-const routes: RouteRecordRaw[] = [{ path: '/', component: () => import('../pages/PageMain.vue') }];
+const routes: RouteRecordRaw[] = [
+	{ path: '/calc', component: () => import('../pages/PageMain.vue') },
+	{ path: '/reverse-calc', component: () => import('../pages/ReverseCalc.vue')}
+];
 
 export const router = createRouter({
 	history: createWebHistory(),