SFX Scientific Calculator6.7 - App Store
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Publisher Description
SFX Calc gives students and engineers a familiar handheld-style scientific calculator on iPhone, iPad, and Mac. From quick arithmetic to statistics and engineering formulas, it keeps advanced calculations in a practical, customizable layout.
FEATURES
. Scientific functions: trigonometric, hyperbolic, logarithmic, exponential, power, and root
. Engineering notation with SI prefixes
. Fraction and percentage calculations
. Linear regression and statistical calculations
. Binary, octal, decimal, and hexadecimal modes
. Fixed-constant calculations for repeated operations
. One persistent memory plus 10 temporary memory registers
. Built-in formulas, including the quadratic formula, standard normal distribution probabilities, and engineering calculations
. Configurable 10- or 13-digit display and exponent formats
. Copy and paste support for faster workflows
. A familiar keypad with customizable layout options
Ideal for coursework, laboratories, electronics, mathematics, science, and everyday engineering work.
Version History Enforce integer computation in Base N mode. Add option for backward compatibility 6.7 Sep 7 Add UI setting to exchange the position of the display panel and the legend 6.6 Jan 19 Add setting to keep mode upon restart the app 6.4 06/22/2025 Fix the issue of value entry after pressing the engineering notation key followed by the negation key 6.3 06/16/2025 Fix the UI layout issue when setting Ads at bottom 6.2 06/15/2025 Fix a display issue in the iPad device when bringing it back from the background or switching back from another app 6.1 05/20/2025 Improve user experience in engineering mode 6.0 02/18/2025 Add engineering mode to input number with SI unit 5.9 01/29/2025 Add an option to display engineering notation with SI prefix 5.8 01/19/2025 Fix minor UI issues of key tracking feature and static button feature 5.7 12/28/2024 Add static button setting 5.6 12/24/2024 1. Resolve integer overflow issues in some 13-digit mode computation
2. Resolve long wait time in factorial computation when the result has reached infinity 5.5 12/22/2024 Resolve app launch issue when placing Ads at the bottom 5.3 07/20/2024 1. Add menu setting to swap Pi key and Equal key position
2. Add alert pop-up showing that the following menu setting will take effect after restart
a. Switching between 10-digit and 13-digit display
b. Switching between 2-exponent-digit and 3-exponent-digit display
c. Swapping Pi key and Equal key position
d. Switching between Ads on top and bottom 5.2 07/20/2024 Correct the segment font size of the minus sign in the iPad form factor 5.1 07/15/2024 Optimize GUI when the device is in landscape mode 5.0 07/14/2024 Add Kin and Kout indicators on the display 4.9 02/04/2024 Add ALT indicator on the display 4.8 01/04/2024 Enlarge the segment font on the display 4.7 01/01/2024 Add an option to highlight the operator key for the purpose to track the operation 4.6 08/13/2023 Add Segment font 4.5 04/16/2023 1. Add an option to sort the formula menu by usage
2. Add a formula to calculate the cutoff frequency from the given RC
3. Add a formula to calculate the capacitance from the given current and the instantaneous change in voltage 4.4 01/16/2023 Fix blinking effect in some iOS devices 4.3 06/13/2022 Improve the app stability when the sound option is ON 4.2 06/11/2022 1. Add option to enable 3 exponential digits display
2. Add function to copy and paste over the display
3. Add option to enable blinking feedback 4.1 06/04/2022
About SFX Scientific Calculator
The company that develops SFX Scientific Calculator is Wai Kwong Lee. The latest version released by its developer is 6.7.
To install SFX Scientific Calculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the SFX Scientific Calculator as malware if the download link is broken.
How to install SFX Scientific Calculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the SFX Scientific Calculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After SFX Scientific Calculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 6.7
posted on 2026-10-14
Version History Enforce integer computation in Base N mode. Add option for backward compatibility 6.7 Sep 7 Add UI setting to exchange the position of the display panel and the legend 6.6 Jan 19 Add setting to keep mode upon restart the app 6.4 06/22/2025 Fix the issue of value entry after pressing the engineering notation key followed by the negation key 6.3 06/16/2025 Fix the UI layout issue when setting Ads at bottom 6.2 06/15/2025 Fix a display issue in the iPad device when bringing it back from the background or switching back from another app 6.1 05/20/2025 Improve user experience in engineering mode 6.0 02/18/2025 Add engineering mode to input number with SI unit 5.9 01/29/2025 Add an option to display engineering notation with SI prefix 5.8 01/19/2025 Fix minor UI issues of key tracking feature and static button feature 5.7 12/28/2024 Add static button setting 5.6 12/24/2024 1. Resolve integer overflow issues in some 13-digit mode computation
2. Resolve long wait time in factorial computation when the result has reached infinity 5.5 12/22/2024 Resolve app launch issue when placing Ads at the bottom 5.3 07/20/2024 1. Add menu setting to swap Pi key and Equal key position
2. Add alert pop-up showing that the following menu setting will take effect after restart
a. Switching between 10-digit and 13-digit display
b. Switching between 2-exponent-digit and 3-exponent-digit display
c. Swapping Pi key and Equal key position
d. Switching between Ads on top and bottom 5.2 07/20/2024 Correct the segment font size of the minus sign in the iPad form factor 5.1 07/15/2024 Optimize GUI when the device is in landscape mode 5.0 07/14/2024 Add Kin and Kout indicators on the display 4.9 02/04/2024 Add ALT indicator on the display 4.8 01/04/2024 Enlarge the segment font on the display 4.7 01/01/2024 Add an option to highlight the operator key for the purpose to track the operation 4.6 08/13/2023 Add Segment font 4.5 04/16/2023 1. Add an option to sort the formula menu by usage
2. Add a formula to calculate the cutoff frequency from the given RC
3. Add a formula to calculate the capacitance from the given current and the instantaneous change in voltage 4.4 01/16/2023 Fix blinking effect in some iOS devices 4.3 06/13/2022 Improve the app stability when the sound option is ON 4.2 06/11/2022 1. Add option to enable 3 exponential digits display
2. Add function to copy and paste over the display
3. Add option to enable blinking feedback 4.1 06/04/2022
version 6.7
posted on 2026-09-12
Version History Enforce integer computation in Base N mode. Add option for backward compatibility 6.7 4d ago Add UI setting to exchange the position of the display panel and the legend 6.6 Jan 19 Add setting to keep mode upon restart the app 6.4 06/22/2025 Fix the issue of value entry after pressing the engineering notation key followed by the negation key 6.3 06/16/2025 Fix the UI layout issue when setting Ads at bottom 6.2 06/15/2025 Fix a display issue in the iPad device when bringing it back from the background or switching back from another app 6.1 05/20/2025 Improve user experience in engineering mode 6.0 02/18/2025 Add engineering mode to input number with SI unit 5.9 01/29/2025 Add an option to display engineering notation with SI prefix 5.8 01/19/2025 Fix minor UI issues of key tracking feature and static button feature 5.7 12/28/2024 Add static button setting 5.6 12/24/2024 1. Resolve integer overflow issues in some 13-digit mode computation
2. Resolve long wait time in factorial computation when the result has reached infinity 5.5 12/22/2024 Resolve app launch issue when placing Ads at the bottom 5.3 07/20/2024 1. Add menu setting to swap Pi key and Equal key position
2. Add alert pop-up showing that the following menu setting will take effect after restart
a. Switching between 10-digit and 13-digit display
b. Switching between 2-exponent-digit and 3-exponent-digit display
c. Swapping Pi key and Equal key position
d. Switching between Ads on top and bottom 5.2 07/20/2024 Correct the segment font size of the minus sign in the iPad form factor 5.1 07/15/2024 Optimize GUI when the device is in landscape mode 5.0 07/14/2024 Add Kin and Kout indicators on the display 4.9 02/04/2024 Add ALT indicator on the display 4.8 01/04/2024 Enlarge the segment font on the display 4.7 01/01/2024 Add an option to highlight the operator key for the purpose to track the operation 4.6 08/13/2023 Add Segment font 4.5 04/16/2023 1. Add an option to sort the formula menu by usage
2. Add a formula to calculate the cutoff frequency from the given RC
3. Add a formula to calculate the capacitance from the given current and the instantaneous change in voltage 4.4 01/16/2023 Fix blinking effect in some iOS devices 4.3 06/13/2022 Improve the app stability when the sound option is ON 4.2 06/11/2022 1. Add option to enable 3 exponential digits display
2. Add function to copy and paste over the display
3. Add option to enable blinking feedback 4.1 06/04/2022
version 6.6
posted on 2026-09-05
Version History Add UI setting to exchange the position of the display panel and the legend 6.6 Jan 19 Add setting to keep mode upon restart the app 6.4 06/22/2025 Fix the issue of value entry after pressing the engineering notation key followed by the negation key 6.3 06/16/2025 Fix the UI layout issue when setting Ads at bottom 6.2 06/15/2025 Fix a display issue in the iPad device when bringing it back from the background or switching back from another app 6.1 05/20/2025 Improve user experience in engineering mode 6.0 02/18/2025 Add engineering mode to input number with SI unit 5.9 01/29/2025 Add an option to display engineering notation with SI prefix 5.8 01/19/2025 Fix minor UI issues of key tracking feature and static button feature 5.7 12/28/2024 Add static button setting 5.6 12/24/2024 1. Resolve integer overflow issues in some 13-digit mode computation
2. Resolve long wait time in factorial computation when the result has reached infinity 5.5 12/22/2024 Resolve app launch issue when placing Ads at the bottom 5.3 07/20/2024 1. Add menu setting to swap Pi key and Equal key position
2. Add alert pop-up showing that the following menu setting will take effect after restart
a. Switching between 10-digit and 13-digit display
b. Switching between 2-exponent-digit and 3-exponent-digit display
c. Swapping Pi key and Equal key position
d. Switching between Ads on top and bottom 5.2 07/20/2024 Correct the segment font size of the minus sign in the iPad form factor 5.1 07/15/2024 Optimize GUI when the device is in landscape mode 5.0 07/14/2024 Add Kin and Kout indicators on the display 4.9 02/04/2024 Add ALT indicator on the display 4.8 01/04/2024 Enlarge the segment font on the display 4.7 01/01/2024 Add an option to highlight the operator key for the purpose to track the operation 4.6 08/13/2023 Add Segment font 4.5 04/16/2023 1. Add an option to sort the formula menu by usage
2. Add a formula to calculate the cutoff frequency from the given RC
3. Add a formula to calculate the capacitance from the given current and the instantaneous change in voltage 4.4 01/16/2023 Fix blinking effect in some iOS devices 4.3 06/13/2022 Improve the app stability when the sound option is ON 4.2 06/11/2022 1. Add option to enable 3 exponential digits display
2. Add function to copy and paste over the display
3. Add option to enable blinking feedback 4.1 06/04/2022 1. Add home screen quick action "Copy Last Answer"
2. Add option to enable 13-digit display mode 4.0 05/22/2022
version 6.6
posted on 2026-01-19
Add UI setting to exchange the position of the display panel and the legend
version -
posted on 2025-09-26
version 6.1
posted on 2025-05-20
May 20, 2025
Version 6.1
Fix a display issue in the iPad device when bringing it back from the background or switching back from another app
version 6.0
posted on 2025-02-18
Feb 18, 2025
Version 6.0
Improve user experience in engineering mode
version 5.9
posted on 2025-01-29
Jan 29, 2025
Version 5.9
Add engineering mode to input number with SI unit
version 5.7
posted on 2024-12-28
Dec 28, 2024
Version 5.7
Fix minor UI issues of key tracking feature and static button feature
version 5.6
posted on 2024-12-24
Dec 24, 2024
Version 5.6
Add static button setting
Disclaimer
Official App Store Link
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