# Mental Math for Work

> Business estimates in 3 min

Canonical page: [https://chrome-stats.com/d/id6766879948](https://chrome-stats.com/d/id6766879948)

## Overview

- **ID:** `id6766879948`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Shota Morioka
- **Category:** Education
- **Version:** 1.11
- **Last updated:** 2026-09-06
- **First published:** 2026-05-07
- **Size:** 15 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/mental-math-for-work/id6766879948)
- **Website:** [https://shigoto-no-anzan.pages.dev/](https://shigoto-no-anzan.pages.dev/)
- **Privacy policy:** [https://shigoto-no-anzan.pages.dev/legal/privacy/](https://shigoto-no-anzan.pages.dev/legal/privacy/)

## Description

Practice margins, KPIs, SaaS metrics, discounts, and workload estimates with short business-focused drills.

Mental Math for Work helps you practice quick estimates for meetings, sales calls, planning reviews, product discussions, and case interviews.

Train with business-context drills for gross margin, discounts, KPI, CVR, CPA, SaaS metrics, workload estimates, sales tax estimates, and engineering rough calculations.

Features
- Choose a daily goal of 3, 5, 7, or 10 questions
- See your next practice plan and optionally enable a next-day reminder
- Role-based courses for sales, PM/PdM, planning, engineering management, retail/e-commerce, case interviews, and basics
- Category practice for the work math you need most
- Estimate OK judgment for practical ranges, not only exact answers
- Weak-point review, time attack, and meeting mode
- Accuracy, speed, estimate OK rate, and category trends

Start with the free daily quest. Premium unlocks category practice, weak-point review, speed training, meeting mode, and detailed progress insights.

Build the number reflexes you need at work, one short session at a time.

Terms of Use: https://shigoto-no-anzan.pages.dev/legal/terms/
Privacy Policy: https://shigoto-no-anzan.pages.dev/legal/privacy/
Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Rankings

- #1,530,927 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6766879948)