Plutocalc Water version history

* Version 15.3 (15/01/2025)

- PWA version available: install from the browser, run offline
- Back to the Microsoft Windows store

* Version 15.2 (20/07/2024)

- Updated Android target API
- Fixed: Typos and text tags			
		
* Version 15.1 (15/08/2023)

- Fixed: mg/L to lb/ft³ conversion in the dosage calculators
- Fixed: Android 10 and 11 startup crash			

			
* Version 15.0 (03/07/2023) - one image, 1000 words

- New: colorful diagrams for 35 solvers
- New: Notepad saves notes between sessions (Plutocalc+ only)
- New: Easy clipboard feature integrates with the operating system  (Plutocalc+ only)
- Website link fixes
- Improved translations and overall texts
- Improved compatibility and graphics for mobile phones
- Updated credits to the libraries and tools used during the development of this application
- Fixed: internal navigation links would not display target section centered on screen
- Retired FastClick.js library. Thank you for your service!


* Version 14.1 (12/06/2021)

- Perform arithmetic calculations and unit conversions directly from the search bar
- Fixed menu bar in large phone screens
- Fixed blank screen on mobile devices


* Version 14.0 (01/06/2021) - Lightning fast

- New user interface
- Search bar: All users are be able to search within the solver names
- Search bar: Plutocalc+ users are able to search within variable names and database items (deep search)
- Smoother animations and transitions
- Improved text readability
- Improved Plutocalc+ menus


* Version 13.0 (11/05/2021)

- New pH correction/adjustments solver
- New flow conversion unit: MLD (Mega Liter/Day)
- Updated reference links for TOC conversions
- Updated recommended Ion Exchange resins
- Fixed the Methyl Orange point in the Carbonates solver notes


* Version 12.1 (12/10/2020)

- New energy conversions
- Improved security in the online version


* Version 12.0 (30/09/2020)

- New power conversions
- Announcements feature for important user notifications
- Upgraded mobile versions usability


* Version 11.8 (01/04/2020)

- Fixed flux/rate conversion bug


* Version 11.7 (30/10/2019)

- Improved layout engine
- New Ryznar Stability Index - RSI solver
- Fixed bug that prevents Alkalinity results to be displayed in the Langlier Saturation Index solver


* Version 11.6 (07/09/2018)

- Fixed m/day flux/rate conversion bug


* Version 11.5 (30/05/2018)

- Fixed the Ion Exchange regeneration diluted flow calculation.
- Plutocalc+ reminder in free app store versions.


* Version 11.4 (29/05/2018)

- Updated all external links to secure protocol (https)
- Added default value for the viscosity in the pipe headloss solver
- Added Sodium Hypochlorite to the chemicals density database
- Added µg/L (ppt) to the concentration/density unit converter
- Automatic temperature input for chemicals that support only one temperature
- Drastic speed improvements in the online/web version
	
	
* Version 11.3 (11/09/2017)

- Fixed bug in the SDI final time calculation
	
	
* Version 11.2 (04/08/2017)

- New internal copy/paste functions for Plutocalc+
- New action button with toolbar for Plutocalc+
- New flow conversion unit: oil barrels/day
- New volume conversion units: oil barrels and imperial gallons
- Minor interface improvements
		
	
* Version 11.1 (01/07/2017)

- Plutocalc now saves the current user language setting if supported by the device
- New Plutocalc "Legacy" version for Windows Phone 8.x
- Added metadata for improved web listing
- Added defaults for temperatures
- Loading speed improvements
	
	
* Version 11.0 (28/05/2017) - Voice of the users

- New CO2 conductivity solver for PW and UPW systems
- New temperature based Carbonates equilibrium solver
- New Ammonia equilibrium solver
- New Sulfate equilibrium solver
- New Sulfide equilibrium solver
- New Silicic Acid equilibrium solver
- New Boric Acid equilibrium solver
- New Phosphate equilibrium solver
- New Nitrous Acid equilibrium solver
- Added pure water conductivity to the water properties solver
- Added pure water pH to the water properties solver
- Added Aluminum Sulfate to the solutions density solver
- Added Ferric Sulfate to the solutions density solver
- Added more unit conversion and solver shortcuts
- Removed the carbonates and ammonia equilibrium calculations from the ionic balance solver
- Fixed bug in the Hardness Conversion solver that inverted the CaCO3 results
- Fixed scroll bug, now the menus will always navigate to the exact position
- Updated the license terms to prevent evil clones in the app stores
- Improved overall performance by using a new internal unit conversion engine
- Improved the RO normalization and membrane comparison algorithm accuracy

	
* Version 10.0 (06/01/2017)
 
- New RO/NF skid designer (defines the amount of stages and pressure vessels)
- New UV disinfection solver
- Interface improvements for the overall disinfection solvers
- Interface improvements for the overall chemical properties solvers
- Fixed bug in the disinfection solver that prevented entering time in hours or concentrations in %
- Fixed bug that didn't calculate Log Removals from percent inputs
- Plutopad improved titles and units fetching
- Minimum Android version upgraded to 4.03 (Ice Cream Sandwich) due image and font display issues
- Dropped support for Windows Phone 8.0 and 8.1 because of the instability of the operating system
- Plutocalc+ available as Windows 10 Universal Application - check the app store
	
	
* Version 9.5 (25/11/2016) - Plutocalc+
 
- New Plutocalc+ version for our dear supporters
- New Plutocalc+ PlutoPad: log your calculations inputs and outputs

	
* Version 9.0 (15/09/2016) - Anniversary edition: 2 years!
 
- New boiler water quality and blowdown solver
- New buffer tank size solver
- New municipal plants capacity/flow estimation
- New conductivity conversion solver
- Added the Specific Gravity to the Chemicals Density solver
- More visual interface improvements
- Fixed dry chemical dosing kg/h to lb/h autoconversion not working
- Added credits to the 3rd party library/component providers
	
	
* Version 8.2 (14/08/2016)

- Status bar appearance fixed
- Improved fonts and sizes
- Back button moved to the left for better ergonomics		
	
	
* Version 8.1 (10/08/2016)

- Minor improvement in the mobile versions visualization and interface	
	
	
* Version 8.0 (01/08/2016) - v8 engine for Turbo-Conversions

- Click on the unit name to have it automatically converted
- New RO membranes comparison solver
- New RO plant normalization and performance comparison solver
- New Specific gravity, Baumé, API and Brix relations solver
- New dry chemical dosage calculations solver
- New back button to navigate between equation solvers
- New unit for volumetric flow conversion: L/day
- New unit for mass flow conversion: g/min
- New unit for pressure conversion: inH2O
- New unit for decimal time conversion: seconds
- New units for flux/rates conversions: m/min, m/s, ft/day, ft/h, ft/min and ft/s
- New unit display for chemicals density database: Baumé
- "Membranes normalized permeability" solver was renamed to "MF/UF comparison and normalization"
- Water flux units representation was unified in all solvers
- Improved ChangeLog navigation with a "Back" button
- Improved Help section with program information menu (about) and better descriptions
- Fixed bug preventing selecting/copy the solutions density result fields
- Fixed bug preventing selecting/copy the desinfection result fields
- Fixed bug preventing menu scroll in very small or rotated screens
- Fixed pressure drop units in the Orifice Plates solver
- Fixed scrollbar visibility in MS Internet Explorer and in Windows app
- Horizontal menu will appear on screens with more than 1280 horizontal pixels (laptops, PCs and large tablets)
- Equation "model" term was replaced by "solver".


* Version 7.0 (17/06/2016)

- New metering/dosing pump stroke adjustment solver
- New icons and landing screen
- Solved Android Chrome/Webview select boxes bug. Requires the latest version of Chrome/Webview
- Reestablished distribution of Windows 8.x version
- Reduced overall application size and memory consumption
- Added DanBP logo
- Minimum recommended screen size 300px x 400px (W x H)
- Added ChangeLog link from the main application screen
- Icons now appear in the home screen links in iPhones and iPads (online version)


* Version 6.0 (01/05/2016)

- New Modified Fouling Index (MFI) solver
- New rectangular flume flow measurement solver (ISO 4359)
- New water Hardness conversions solver
- Updated Hardness conversion links in related solvers
- Dropped support for Windows Phone 8.x. Previous versions still available for this platform


* Version 5.1 (10/03/2016)

- Fixed HTML 5 structure
- F/M solver unit conversion bug fixed


* Version 5.0 (01/03/2016) - Mobiler than ever

- New Ion Exchange Softener design solver with regeneration sequence
- Default pH=7 for ionic balance
- Improved menu size and text display on smaller screens
- New language selection buttons
- Improved security with the latest version of Cordoba libraries on Android and Windows versions
- Dropped Windows Phone 8.x XAP distribution (Windows Store is still supported)
- Online version optimized for Firefox (Android, Desktop and iOS), Chrome (Desktop, Android and iOS), Safari (Desktop and iOS) and Internet Explorer 11
- Improved Spanish translation


* Version 4.2 (21/09/2015)

- Fixed scrolling issue in Windows 10 version


* Version 4.1 (20/09/2015)

- Icons library updated
- Available as Windows 10 Universal Application- check the app store
- Some display issues were fixed


* Version 4.0 (16/05/2015) - Shortcutting

- New intuitive helper icon
- New periodic table of elements solver
- New compound annual growth (CAGR) solver
- New simple interest rate solver
- New Parshall flume solver
- New horizontal cylindrical tank solver
- New time conversions solver
- New cylindrical filter rate/speed solver
- Windows Phone store download option
- Clicking on the logo will collapse all panels
- Link for flow conversions
- Link for volume conversions
- Link for pressure conversions
- Link for speed conversions
- Link for length conversions
- Link for area conversions
- Link for mass conversions
- Link for power conversions
- Link for concentration/density conversions
- Link for time conversions
- Link for flux conversions
- Link for temperature conversions
- Improved Reynolds number calculation solver with speed
- Included the typical rates in speed conversions
- Included many helper links in the solvers


* Version 3.0 (16/04/2015) - Wastewaterized

- Amazon App store download option for Android
- Added more default values for the water properties and coefficients
- Added shortcuts for helper solvers
- Dropped forces group, solvers redistributed
- Dropped motion group, solvers redistributed
- Interface bug fixes
- New angle conversion mode
- New activated sludge F/M solver
- New activated sludge recirculation flow solver
- New backwash media expansion solver
- New clarification group
- New conversions group
- New cube volume solver
- New head loss in granular media solver
- New hydraulic retention time solver
- New nominal pipe sizes database
- New open channels solver
- New orifice plate solver
- New oxygen solubility solver
- New rainfall volume solver
- New Reynolds number solver
- New sieve sizes database
- New sludge age solver
- New sludge volume index (SVI) solver
- New solids loading rate solver
- New solids retention time solver
- New solids volumetric loading rate solver
- New triangle properties solver
- New ultimate biological demand solver
- New unit in the flow conversion
- New velocity gradient solver
- Numeric keyboard as default on mobile devices
- Print/Export field size adjustments
- Reduced permission requirements for Android
- Results precision increased up to 15 digits (when necessary)
- SDI moved to contaminants group
- Sorption/exchange capacity outlet solids minus signal bug fixed
- Discrete sedimentation particle density bug fixed


* Version 2.0 (15/12/2014) - Material design

- "Material design" based style
- Added Potassium Bicarbonate, Hydrazine and Formic Acid to the chemical density tables (30 solutions now)
- Clarifier calculations moved to motion group
- Flow group renamed to motion
- Forces conversions
- Library loading indicator
- New disinfection solvers
- New finance solvers and group
- New reactions group
- New stream mixing solver
- Number format improvements
- Precipitation and LSI moved to reactions group
- Pressure and mass merged to forces group
- Renamed Chemical Properties solver to Chemical Density
- Spanish translation
- Updated menu drop-down icons
- Updated navigation in mobile interface


* Version 1.1 (25/09/2014)

- Language bar for the other versions
- Minor bug fixes
- Multiple languages for the mobile version


* Version 1.0 (15/09/2014)

- Brand new! 41 solvers
- English and Portuguese Languages
- First version focuses in Water Treatment
- Future versions will include Wastewater calculations
- Online and Offline versions