---
title: "SFX Calc - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "SFX-Calc is a free calculator app designed for academic, scientific and engineering purpose. The calculator features:  1.   Basic arithmetic calculation: Plus, Minus, Multiply, Divide  2.   Calculatio"
---

# SFX Calc — United States
> Scientific Calculator

![SFX Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/06/7d/2e/067d2ebd-0325-6eaf-bfbb-b178b1262058/AppIcon-0-1x_U007emarketing-0-8-0-85-220-0.png/400x400bb.png)

**Developer:** [Wai Kwong Lee](https://apptail.io/developer/wai-kwong-lee-OGH)
**Category:** Utilities
**Rating:** 4.7/5 (141 ratings)
**Price:** Free
**Bundle ID:** com.eefelix.SFX-Calc
**Store:** Apple App Store
**Country:** United States
**Version:** 6.7 (released 2026-09-07)
**Original Release:** 2021-01-12

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1548427958)
**AppTail Page:** [https://apptail.io/app/sfx-calc-pEAd/united-states](https://apptail.io/app/sfx-calc-pEAd/united-states)

## SFX Calc Description
SFX-Calc is a free calculator app designed for academic, scientific and engineering purpose. The calculator features:

1.   Basic arithmetic calculation: Plus, Minus, Multiply, Divide

2.   Calculation with one operand fixed as constant

3.   Calculation with an non-volatile memory storage

4.   Calculation with 10 volatile memory storage

5.   Fraction and percentage calculation

6.   Linear regression and Statistic calculation

7.   Binary / Octal / Decimal / Hexadecimal calculation

8.   Various functions like Trigonometric, Hyperbolic, Logarithm, Exponential, Power, Root, etc.

9.   UI/UX similar to Casio scientific calculator

10.   Formula calculation including Quadratic formula, Standard Normal Distribution Probability, etc.

## SFX Calc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/f8/2a/09/f82a092c-9577-71b0-a9a5-de78448bd543/14985e5b-c688-46f4-a53c-0c6cb125e4ec_Apple_iPhone_11_Pro_Max_Screenshot_0.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/b8/82/56/b8825693-b210-214a-2d51-16d2bf6c84e0/23f4ea6b-64af-4f70-922a-7bd51f0e2441_Apple_iPhone_11_Pro_Max_Screenshot_1.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/ef/00/a3/ef00a392-181a-16f0-3e3d-94f0235e6ffb/24a0b4ec-293e-44cc-b632-e8ba8162d36a_Apple_iPhone_11_Pro_Max_Screenshot_2.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/0c/75/8b/0c758b92-1e81-84de-4bc8-4becd97f9f86/1a40a26e-f95f-4a66-ab02-6e854ccb7be6_Apple_iPhone_11_Pro_Max_Screenshot_3.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/dc/81/20/dc81207a-faef-75cb-c2b0-7d4498f5ef92/b8aae99e-ad19-4970-890f-384ad3cb31b6_Apple_iPhone_11_Pro_Max_Screenshot_4.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/de/82/b5/de82b541-33ca-11a4-b01e-2254c4af3780/1e88b156-b14f-4eb4-8db2-aa683a5dbc34_Apple_iPhone_11_Pro_Max_Screenshot_5.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/4b/b3/7b/4bb37b81-f0b4-48a9-8081-845e6c02b35b/8f4bae7a-9639-4e56-8b90-897a05dc330f_Apple_iPhone_11_Pro_Max_Screenshot_6.png/1242x2688.png)

## SFX Calc Rating Breakdown in United States
- 5 stars: 115 (82%)
- 4 stars: 17 (12%)
- 3 stars: 2 (1%)
- 2 stars: 4 (3%)
- 1 stars: 3 (2%)




## SFX Calc Discovered Keywords
- real calculator
- scientific calculator plus 991
- free scientific calculator
- casio scientific calculator
- calculator casio
- hiper scientific calculator


## SFX Calc Available In
- [United States](https://apptail.io/app/sfx-calc-pEAd/united-states)
- [United Kingdom](https://apptail.io/app/sfx-calc-pEAd/united-kingdom)
- [India](https://apptail.io/app/sfx-calc-pEAd/india)
- [Philippines](https://apptail.io/app/sfx-calc-pEAd/philippines)
- [Hong Kong SAR China](https://apptail.io/app/sfx-calc-pEAd/hong-kong)
- [Mexico](https://apptail.io/app/sfx-calc-pEAd/mexico)
- [Egypt](https://apptail.io/app/sfx-calc-pEAd/egypt)
- [Japan](https://apptail.io/app/sfx-calc-pEAd/japan)
- [Taiwan](https://apptail.io/app/sfx-calc-pEAd/taiwan)
- [Ghana](https://apptail.io/app/sfx-calc-pEAd/ghana)
- [Nigeria](https://apptail.io/app/sfx-calc-pEAd/nigeria)
- [Malaysia](https://apptail.io/app/sfx-calc-pEAd/malaysia)
- [Australia](https://apptail.io/app/sfx-calc-pEAd/australia)
- [Saudi Arabia](https://apptail.io/app/sfx-calc-pEAd/saudi-arabia)
- [Argentina](https://apptail.io/app/sfx-calc-pEAd/argentina)
- [Brazil](https://apptail.io/app/sfx-calc-pEAd/brazil)
- [Vietnam](https://apptail.io/app/sfx-calc-pEAd/vietnam)
- [Singapore](https://apptail.io/app/sfx-calc-pEAd/singapore)
- [Germany](https://apptail.io/app/sfx-calc-pEAd/germany)
- [Indonesia](https://apptail.io/app/sfx-calc-pEAd/indonesia)
- [Colombia](https://apptail.io/app/sfx-calc-pEAd/colombia)
- [Thailand](https://apptail.io/app/sfx-calc-pEAd/thailand)
- [Spain](https://apptail.io/app/sfx-calc-pEAd/spain)
- [France](https://apptail.io/app/sfx-calc-pEAd/france)
- [South Africa](https://apptail.io/app/sfx-calc-pEAd/south-africa)
- [Pakistan](https://apptail.io/app/sfx-calc-pEAd/pakistan)
- [Lebanon](https://apptail.io/app/sfx-calc-pEAd/lebanon)
- [Kuwait](https://apptail.io/app/sfx-calc-pEAd/kuwait)
- [Uganda](https://apptail.io/app/sfx-calc-pEAd/uganda)
- [Netherlands](https://apptail.io/app/sfx-calc-pEAd/netherlands)
- [United Arab Emirates](https://apptail.io/app/sfx-calc-pEAd/united-arab-emirates)
- [Kenya](https://apptail.io/app/sfx-calc-pEAd/kenya)
- [Israel](https://apptail.io/app/sfx-calc-pEAd/israel)
- [Nepal](https://apptail.io/app/sfx-calc-pEAd/nepal)
- [Oman](https://apptail.io/app/sfx-calc-pEAd/oman)
- [Ecuador](https://apptail.io/app/sfx-calc-pEAd/ecuador)
- [Qatar](https://apptail.io/app/sfx-calc-pEAd/qatar)
- [Chile](https://apptail.io/app/sfx-calc-pEAd/chile)
- [Canada](https://apptail.io/app/sfx-calc-pEAd/canada)
- [Sri Lanka](https://apptail.io/app/sfx-calc-pEAd/sri-lanka)
- [China](https://apptail.io/app/sfx-calc-pEAd/china)
- [Czechia](https://apptail.io/app/sfx-calc-pEAd/czechia)
- [Poland](https://apptail.io/app/sfx-calc-pEAd/poland)
- [Finland](https://apptail.io/app/sfx-calc-pEAd/finland)
- [Hungary](https://apptail.io/app/sfx-calc-pEAd/hungary)
- [Bulgaria](https://apptail.io/app/sfx-calc-pEAd/bulgaria)
- [Bahrain](https://apptail.io/app/sfx-calc-pEAd/bahrain)
- [Switzerland](https://apptail.io/app/sfx-calc-pEAd/switzerland)
- [Italy](https://apptail.io/app/sfx-calc-pEAd/italy)
- [Jamaica](https://apptail.io/app/sfx-calc-pEAd/jamaica)
- [Panama](https://apptail.io/app/sfx-calc-pEAd/panama)
- [Russia](https://apptail.io/app/sfx-calc-pEAd/russia)
- [North Macedonia](https://apptail.io/app/sfx-calc-pEAd/north-macedonia)
- [Tunisia](https://apptail.io/app/sfx-calc-pEAd/tunisia)
- [Türkiye](https://apptail.io/app/sfx-calc-pEAd/turkey)
- [Brunei](https://apptail.io/app/sfx-calc-pEAd/brunei)
- [Ukraine](https://apptail.io/app/sfx-calc-pEAd/ukraine)
- [Belgium](https://apptail.io/app/sfx-calc-pEAd/belgium)
- [Azerbaijan](https://apptail.io/app/sfx-calc-pEAd/azerbaijan)
- [Luxembourg](https://apptail.io/app/sfx-calc-pEAd/luxembourg)
- [Kazakhstan](https://apptail.io/app/sfx-calc-pEAd/kazakhstan)
- [Namibia](https://apptail.io/app/sfx-calc-pEAd/namibia)
- [South Korea](https://apptail.io/app/sfx-calc-pEAd/south-korea)
- [Norway](https://apptail.io/app/sfx-calc-pEAd/norway)
- [Iceland](https://apptail.io/app/sfx-calc-pEAd/iceland)
- [New Zealand](https://apptail.io/app/sfx-calc-pEAd/new-zealand)
- [Ireland](https://apptail.io/app/sfx-calc-pEAd/ireland)
- [Austria](https://apptail.io/app/sfx-calc-pEAd/austria)
- [Peru](https://apptail.io/app/sfx-calc-pEAd/peru)
- [Croatia](https://apptail.io/app/sfx-calc-pEAd/croatia)
- [Greece](https://apptail.io/app/sfx-calc-pEAd/greece)
- [Algeria](https://apptail.io/app/sfx-calc-pEAd/algeria)
- [Portugal](https://apptail.io/app/sfx-calc-pEAd/portugal)
- [Dominican Republic](https://apptail.io/app/sfx-calc-pEAd/dominican-republic)
- [Romania](https://apptail.io/app/sfx-calc-pEAd/romania)
- [Angola](https://apptail.io/app/sfx-calc-pEAd/angola)
- [Denmark](https://apptail.io/app/sfx-calc-pEAd/denmark)
- [Sweden](https://apptail.io/app/sfx-calc-pEAd/sweden)
- [Cyprus](https://apptail.io/app/sfx-calc-pEAd/cyprus)
- [Slovakia](https://apptail.io/app/sfx-calc-pEAd/slovakia)
- [Senegal](https://apptail.io/app/sfx-calc-pEAd/senegal)
- [Belarus](https://apptail.io/app/sfx-calc-pEAd/belarus)
- [Macao SAR China](https://apptail.io/app/sfx-calc-pEAd/macau)
- [Madagascar](https://apptail.io/app/sfx-calc-pEAd/madagascar)
- [Cayman Islands](https://apptail.io/app/sfx-calc-pEAd/cayman-islands)
- [Paraguay](https://apptail.io/app/sfx-calc-pEAd/paraguay)
- [Uruguay](https://apptail.io/app/sfx-calc-pEAd/uruguay)
- [Jordan](https://apptail.io/app/sfx-calc-pEAd/jordan)
- [Uzbekistan](https://apptail.io/app/sfx-calc-pEAd/uzbekistan)

---

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