Version History
Here you can find the changelog of Custom Formulas since it was posted on our website on 2016-10-08.
The latest version is 8.8 and it was updated on soft112.com on 04 March, 2024.
See below the changes in each version:
version 8.8
posted on 2023-08-02
8.8: Updated to target Android SDK 33.
8.7: Bug fix.
8.6: Added min(), max(), and avg() functions which each take two values.
8.5: Added an option under the "Copy database" button on the "About" dialog to restore the internal database from a copy in the app folder.
8.4: Added button on "About" dialog to copy internal database to app data area for backup purposes.
8.3: Added options to show tenths of seconds and hundreds of seconds for output variables. Bug fix.
version 8.7
posted on 2023-08-02
8.7: Bug fix.
8.6: Added min(), max(), and avg() functions which each take two values.
8.5: Added an option under the "Copy database" button on the "About" dialog to restore the internal database from a copy in the app folder.
8.4: Added button on "About" dialog to copy internal database to app data area for backup purposes.
8.3: Added options to show tenths of seconds and hundreds of seconds for output variables. Bug fix.
8.2: Updated to target Android SDK 31
version 8.0
posted on 2022-04-01
8.0: Added a linear equation solving tool on the main page menu.
7.9: Default to focusing on first input variable on compute page, and added preference to control this.
7.8: Added a sigma button on compute page which allows a range of values to be used for one input variable, with the output values being summed.
7.7: Bug fix.
7.5: Bug fixes.
7.4: Show location of data files on "About" dialog.
version 7.8
posted on 2021-12-07
7.8: Added a sigma button on compute page which allows a range of values to be used for one input variable, with the output values being summed.
7.7: Bug fix.
7.5: Bug fixes.
7.4: Show location of data files on "About" dialog.
7.3: Add a new option to the preferences page to select all text on the input fields when they are selected.
7.2: Upgraded to target Android SDK 30 as required by Google.
version 7.7
posted on 2021-11-20
7.7: Bug fix.
7.5: Bug fixes.
7.4: Show location of data files on "About" dialog.
7.3: Add a new option to the preferences page to select all text on the input fields when they are selected.
7.2: Upgraded to target Android SDK 30 as required by Google.
7.1: Bug fixes.
7.0: Added an "Import multiple" option to the formula group options button.
6.8: Added category and formula group sorting options to preferences page.
version 7.4
posted on 2021-09-21
7.4: Show location of data files on "About" dialog.
7.3: Add a new option to the preferences page to select all text on the input fields when they are selected.
7.2: Upgraded to target Android SDK 30 as required by Google.
7.1: Bug fixes.
7.0: Added an "Import multiple" option to the formula group options button.
6.8: Added category and formula group sorting options to preferences page.
6.7: Import formula groups with multi-line descriptions. Show imported formula automatically.
version 7.2
posted on 2021-05-01
7.2: Upgraded to target Android SDK 30 as required by Google.
7.1: Bug fixes.
7.0: Added an "Import multiple" option to the formula group options button.
6.8: Added category and formula group sorting options to preferences page.
6.7: Import formula groups with multi-line descriptions. Show imported formula automatically.
6.6: Allow entry of multi-line descriptions for formula groups.
6.5: Updated to target SDK 29 as required by Google.
version 7.0
posted on 2021-01-18
7.0: Added an "Import multiple" option to the formula group options button.
6.8: Added category and formula group sorting options to preferences page.
6.7: Import formula groups with multi-line descriptions. Show imported formula automatically.
6.6: Allow entry of multi-line descriptions for formula groups.
6.5: Updated to target SDK 29 as required by Google.
version 6.8
posted on 2020-12-18
6.8: Added category and formula group sorting options to preferences page.
6.7: Import formula groups with multi-line descriptions. Show imported formula automatically.
6.6: Allow entry of multi-line descriptions for formula groups.
6.5: Updated to target SDK 29 as required by Google.
6.4: Turn off auto-correct when editing formulas. Changed default file extension to be ".cf" instead of ".txt". Associate ".cf" files with this app so it can open them from emails.
version 6.7
posted on 2020-12-12
6.7: Import formula groups with multi-line descriptions. Show imported formula automatically.
6.6: Allow entry of multi-line descriptions for formula groups.
6.5: Updated to target SDK 29 as required by Google.
6.4: Turn off auto-correct when editing formulas. Changed default file extension to be ".cf" instead of ".txt". Associate ".cf" files with this app so it can open them from emails.
6.3: Added a menu option to download a formula from a catalog on the web.
version 6.6
posted on 2020-09-24
6.6: Allow entry of multi-line descriptions for formula groups.
6.5: Updated to target SDK 29 as required by Google.
6.4: Turn off auto-correct when editing formulas. Changed default file extension to be ".cf" instead of ".txt". Associate ".cf" files with this app so it can open them from emails.
6.3: Added a menu option to download a formula from a catalog on the web.
6.2: Added options to show computed values in Deg Min Sec and Deg Min formats. Improved dialog to add a new variable.
version 6.5
posted on 2020-09-21
6.5: Updated to target SDK 29 as required by Google.
6.4: Turn off auto-correct when editing formulas. Changed default file extension to be ".cf" instead of ".txt". Associate ".cf" files with this app so it can open them from emails.
6.3: Added a menu option to download a formula from a catalog on the web.
6.2: Added options to show computed values in Deg Min Sec and Deg Min formats. Improved dialog to add a new variable.
version 6.3
posted on 2020-09-13
6.3: Added a menu option to download a formula from a catalog on the web.
6.2: Added options to show computed values in Deg Min Sec and Deg Min formats. Improved dialog to add a new variable.
6.1: Added two new functions to get the current time. See "Expression Help" page for details.
6.0: Fixed bug with saving results of computations to CSV file. Also changed this option to use the variable descriptions (if available) instead of variable names.
version 6.2
posted on 2020-09-10
6.2: Added options to show computed values in Deg Min Sec and Deg Min formats. Improved dialog to add a new variable.
6.1: Added two new functions to get the current time. See "Expression Help" page for details.
6.0: Fixed bug with saving results of computations to CSV file. Also changed this option to use the variable descriptions (if available) instead of variable names.
5.9: Fixed bug which was preventing negative values from being entered on formula computation page.
version 6.1
posted on 2020-09-09
6.1: Added two new functions to get the current time. See "Expression Help" page for details.
6.0: Fixed bug with saving results of computations to CSV file. Also changed this option to use the variable descriptions (if available) instead of variable names.
5.9: Fixed bug which was preventing negative values from being entered on formula computation page.
5.8: Added "Dark mode" option on preferences page.
version 6.0
posted on 2020-09-04
6.0: Fixed bug with saving results of computations to CSV file. Also changed this option to use the variable descriptions (if available) instead of variable names.
5.9: Fixed bug which was preventing negative values from being entered on formula computation page.
5.8: Added "Dark mode" option on preferences page.
5.7: On compute page, allow entry of a comma as the decimal point in locales where this is used.
version 5.9
posted on 2020-07-19
5.9: Fixed bug which was preventing negative values from being entered on formula computation page.
5.8: Added "Dark mode" option on preferences page.
5.7: On compute page, allow entry of a comma as the decimal point in locales where this is used.
5.6: Added a menu option on compute page to save the results of computations to a CSV file.
5.5: Allow the use of Greek and other characters in variable names.
5.4: Added new option to treat empty values as zeros (defaults to on).
5.3: Updated icon.
version 5.7
posted on 2020-07-02
5.7: On compute page, allow entry of a comma as the decimal point in locales where this is used.
5.6: Added a menu option on compute page to save the results of computations to a CSV file.
5.5: Allow the use of Greek and other characters in variable names.
5.4: Added new option to treat empty values as zeros (defaults to on).
5.3: Updated icon.
5.2: Fixed bug with importing formulas.
5.1: Updated to target API level 28 as required by Google.
version 5.6
posted on 2020-05-12
5.6: Added a menu option on compute page to save the results of computations to a CSV file.
5.5: Allow the use of Greek and other characters in variable names.
5.4: Added new option to treat empty values as zeros (defaults to on).
5.3: Updated icon.
5.2: Fixed bug with importing formulas.
5.1: Updated to target API level 28 as required by Google.
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
version 5.5
posted on 2020-02-19
5.5: Allow the use of Greek and other characters in variable names.
5.4: Added new option to treat empty values as zeros (defaults to on).
5.3: Updated icon.
5.2: Fixed bug with importing formulas.
5.1: Updated to target API level 28 as required by Google.
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
version 5.3
posted on 2020-01-07
5.3: Updated icon.
5.2: Fixed bug with importing formulas.
5.1: Updated to target API level 28 as required by Google.
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
4.9: Fixed issue with German locale.
4.8: Fixed issue for locales which use a comma as the decimal point.
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
version 5.2
posted on 2019-10-31
5.2: Fixed bug with importing formulas.
5.1: Updated to target API level 28 as required by Google.
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
4.9: Fixed issue with German locale.
4.8: Fixed issue for locales which use a comma as the decimal point.
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
version 5.1
posted on 2019-10-14
5.1: Updated to target API level 28 as required by Google.
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
4.9: Fixed issue with German locale.
4.8: Fixed issue for locales which use a comma as the decimal point.
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
version 5.0
posted on 2019-10-11
5.0: Made option to remove thousands separator characters a preference option, defaulting to off.
4.9: Fixed issue with German locale.
4.8: Fixed issue for locales which use a comma as the decimal point.
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
4.4: Improvements to calculator tool. Fixed bug with display of descriptions on main page.
4.3: Added a deg/min/sec button on calculator tool.
version 4.9
posted on 2019-10-02
4.9: Fixed issue with German locale.
4.8: Fixed issue for locales which use a comma as the decimal point.
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
4.4: Improvements to calculator tool. Fixed bug with display of descriptions on main page.
4.3: Added a deg/min/sec button on calculator tool.
version 4.7
posted on 2019-10-01
4.7: Remove thousands separator characters from input values (e.g. 1,000).
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
4.4: Improvements to calculator tool. Fixed bug with display of descriptions on main page.
4.3: Added a deg/min/sec button on calculator tool.
4.1: Added the ability to email a formula group. Made the memory function in calculator tool persistent.
version 4.6
posted on 2019-03-26
4.6: Improvements to appearance.
4.5: Added trig functions to calculator tool.
4.4: Improvements to calculator tool. Fixed bug with display of descriptions on main page.
4.3: Added a deg/min/sec button on calculator tool.
4.1: Added the ability to email a formula group. Made the memory function in calculator tool persistent.
version 3.3
posted on 2018-02-03
3.3: Fixed two bugs: (1) If the input variables for one formula were being used in other formulas, the results of the computation of the other formulas were incorrect. (2) When the last formula group in a category was deleted, previously its formulas were still remaining visible on the main page.
3.2: Fixed a bug with the wrong number of digits of precision being shown in the edit dialog for output variables.
version 2.1
posted on 2016-05-20
2.1: Added a preferences page with option to enter values with scientific notation e.g. 1.32e-10 (this just shows full keyboard instead of numeric).,2.0: Prevent duplicate input vars being created within a formula group. Make a precision of 0 mean no decimal places.,1.9: Added link to on-line formula sharing formula from main menu.,1.8: Added menu options to import and export a formula group. (Now requires permission to access SD card).