# Sumline: Notepad Calculator

> Write maths like notes: totals, %, units and variables, answers as you type.

Canonical page: [https://chrome-stats.com/d/dev.janpro.sumline](https://chrome-stats.com/d/dev.janpro.sumline)

## Overview

- **ID:** `dev.janpro.sumline`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** JanPro
- **Category:** PRODUCTIVITY
- **Version:** 0.1.0
- **Last updated:** 2026-10-24
- **First published:** 2026-10-24
- **Publisher country:** CZ
- **Size:** 2.04 MB
- **Data as of:** 2026-11-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=dev.janpro.sumline)
- **Website:** [https://appfactory.janpro.dev](https://appfactory.janpro.dev/)
- **Privacy policy:** [https://appfactory.janpro.dev/sumline/privacy/index.html](https://appfactory.janpro.dev/sumline/privacy/index.html)

## Description

Sumline is a calculator you write in like a notepad. Type each line in your own words and the answer appears on the right as you type.<br><br>- Words are labels: &quot;Coffee 4.50&quot; just works<br>- Totals: type &quot;total&quot; to add up the lines above<br>- Percentages: &quot;20% of 150&quot;, &quot;Dinner 64 + 18%&quot;<br>- Variables: &quot;Rent = 1200&quot;, then use rent anywhere below<br>- &quot;prev&quot; reuses the last answer<br>- Units: length, weight, volume, cooking, time, data and temperature. &quot;5 km in mi&quot;, &quot;3 ft 4 in in cm&quot;, &quot;100 °C in °F&quot;<br>- Functions: sqrt, sin, cos, tan, log, ln, round, plus pi<br>- Tap any answer to copy it<br>- Keep as many sheets as you like for budgets, trips, recipes and projects<br><br>No account, no ads, no internet access. Your sheets stay on your phone.

## Rankings

- #3,314,824 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `dev.janpro.sumline.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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