# e-calcFree

> Productivity

Canonical page: [https://chrome-stats.com/d/id591591892](https://chrome-stats.com/d/id591591892)

## Overview

- **ID:** `id591591892`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** e-skett Corp.
- **Category:** Productivity
- **Rating:** 3.00 / 5 (1 ratings)
- **Version:** 1.23
- **Last updated:** 2015-11-05
- **First published:** 2013-01-12
- **Size:** 6.89 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/e-calcfree/id591591892)

## Description

This calculator can be used not only in scientific notation(e.g. 1E-6) but also using engineering multipliers(e.g. p,n,u,m,k,M).
By pressing the [ENG] button, the display of calculation result will change. (e.g. 1E-9 or 1n)
Calculation results in the past is displayed in the history area.
When you tap the formula  area , you will be able to edit it. You will be able to re-calculate.
Unit that can be entered from the button is p = 1E-12, n = 1E-9, u = 1E-6, m = 1E-3, k = 1E3, M = 1E6. (f = 1E-15 and G = 1E9 is used for display only）.
iPhone4 can display four lines in history area. iPhone5 can display 9 lines. 
The main limitations of Free version is as follows.
you can not scroll history area.
History is not saved when you exit.

## Rankings

- #946,347 — Overall

## Similar extensions and apps

- [Calculator T](https://chrome-stats.com/d/id6473983653)
- [Panecal Scientific Calculator](https://chrome-stats.com/d/id668500803) — 4.80 / 5
- [Calculator - Currency - Unit](https://chrome-stats.com/d/id1583572133) — 5.00 / 5
- [Calculator : Scientific Calculator & converter](https://chrome-stats.com/d/id1267774163) — 5.00 / 5
- [▸ Calculator +](https://chrome-stats.com/d/id473884845) — 4.70 / 5
- [Calc 2M](https://chrome-stats.com/d/id492563960) — 4.90 / 5
- [MegaCalc Free - Scientific Calculator](https://chrome-stats.com/d/id1068236267) — 2.30 / 5
- [Minimum Calc](https://chrome-stats.com/d/id1640356184) — 5.00 / 5
- [Calculator 3 in 1](https://chrome-stats.com/d/id582172403) — 2.40 / 5
- [Calculator⁼](https://chrome-stats.com/d/id487127942) — 4.60 / 5
- [Calculator: Pro](https://chrome-stats.com/d/id1538600973) — 4.70 / 5
- [sci.calculator](https://chrome-stats.com/d/id1620728508)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id591591892)