Electrist Version History

Electrist Change History

1.323
12 Nov 2006

Further improved compatiblity with older Handspring devices

1.322
02 Oct 2006

Made the software compatible with Visor Prism running OS 3.5.2H1.5

1.321
04 Sep 2006

Improved navigation in some forms

1.32
20 Jul 2006

Corrected error in 3 Phase Power calculator that prevented calculation of power factor

1.31
02 Jul 2006

Corrected error in 3 Phase Load calculator where scrollbar was unlinked from list
Corrected a bug which would cause some minor wierdness in first run after registration was made

1.30
25 Jun 2006

Added Capacitive Power Factor Correction calculator
3 Phase Load Balance calculator now uses a seperate form for adding/editing loads to make it backward compatible with all devices running OS 3.0+
Added Reactive Power To 3 Phase Power calculator
Changed the way mapped hard-keys are handled for utility forms. This corrects an issue on some devices on which this would cause a soft reset
Reinstated Graffiti indicators on calculator forms
Forms now start out with 'Num Lock' ('Opt Lock' on Treos) set on opening
Improved input validation routines in custom conductors and materials entry dialogs
Added deletion verification for custom conductors and materials
Various minor interface changes
Added temperature conversions to minicalc

1.21
25 Dec 2005

Changed registration key to be directly based on HotSync Username
Added 3 phase load calculator (Requires OS 3.5 or newer, but all other calculators will still operate on devices running OS 3.0+)
Added 3 phase NEMA voltage unbalance calculator
Added 3 phase IEC negative sequence voltage unbalance calculator
Added 3 phase true power calculator
Added parallel impedance calculator
Added impedance current calculator
Improved speed of equivalent parallel conductors calculation on conductor size selection calculator
Improved speed of switching between related formulas on all applicable calculators
Changed the ability of some menu buttons to indicate their value
Enfancilated menu button graphics
No longer include version information in the application database title to facilitate installation of new versions over existing versions
Corrected several interface glitches

1.201
25 Oct 2005

Corrected bug in Resonant Frequency Calculator which caused the input fields be improperly validated and solidly refuse to calculate

1.20
20 Oct 2005

Added support for parallel conductors in Voltage Drop and Size Selection calculators
Added support for unequal impedances in Decibels calculator
Corrected a bug in the permanent key routines that affected some device models
Removed some dead weight in the form of superfluous features "Notes" and "Circuits"
Added a few numeric constants to MiniCalc menu
Added conversion class buttons to MiniCalc command bar
Spruced up MiniCalc Copy and Paste buttons with icons
Added buttons to the calculator command bar for MiniCalc, Copy, and Paste

1.19
01 Aug 2005

Corrected several bugs in MiniCalc
Added MiniCalc storage registers to Circuits database to maintain persistance of data across launches
Added Cost of Use calculator
Added low level DB retention of registration key This means that when upgrading to a newer version, even though you will still have to delete the existing application from your Palm, you will not have to re-enter your registration key! YAY!
Set up New Custom Material and New Custom Size dialog fields to Copy/Paste
Added 3 Phase power calculator
Changed behavior of 'Pass to Voltage Drop' and 'Pass to Size Selection' menu items. They now open the repective calculator forms as well as set values on those forms.

1.18
05 Jul 2005

Corrected bug in Conductor Size Selection calculator that affected temperature derating calculation at higher ambient temperatures
Added a 'MiniCalc' to allow users to perform all the functions of a common desk calculator plus some useful conversions within the application
Added more information in Conductor Voltage Drop calculator size info dialog

1.17
17 Apr 2005

Deep rewrite of calculator forms that use similar interfaces to improve speed, as well as overall performance and size
Added menubar icons for:
- Switch Calculator
- Switch related formula
- Wire Size Specification (Conductor Size Selection & Voltage Drop calculators)
- Ampacity Table (Conductor Size Selection calculator)
Added features to allow mapping new actions to keys:
- Custom Materials Editor
- Custom Conductor Sizes Editor
- Next/Previous Formula
Added buttons to Voltage Drop calculator:
- Material Information (shows the specific resistance and temperature coeffecient for selected material)
- Size Information (shows the size of selected conductor in CMILs)
Added feature to add Metric and Custom wire sizes to Conductor Size Selection calculator
Improved support for Metric and Custom wire sizes in Voltage Drop calculator
Improved support for older devices
Added maintenance links to Switch Calc:
- Circuits
- Custom Materials Editor
- Custom Conductor Sizes Editor
Added formulas to Voltage & Current Dividers calc. Available variations are now:
- Resistive Voltage Divider Network Vn=VsRn/Rt et al
- Inductive Voltage Divider Network Vn=VsLn/Lt et al
- Capacitive Voltage Divider Network Vn=VsCn/Ct et al
- Resistive Current Divider Network In=ItRt/Rn et al
- Resistive Voltage Divider Pair Vout=VinR2/(R1+R2) et al
- Inductive Voltage Divider Pair Vout=VinL2/(L1+L2) et al
- Capacitive Voltage Divider Pair Vout=VinC2/(C1+C2) et al
- Resistive Current Divider Pair Iout=Iin(R1+R2)/R2 et al
Fixed minor VSWR calculator glitch that would cause fields to be improperly restored when returning after leaving the calculator when Pr was selected
Improved (hopefully) the formula font
Waking into application now counts as a launch
Increased trial launches to 20
Equations will only display for 3 seconds in unregistered copy
Added equation display to Sine Conversion calculator
Further under-hood optimization to Decibels calc to prepare for update 1.18 handling calculations selectable/unequal impedances

1.161
22 Jan 2005

Added periodic wave calculator
Added ability to calculate conductor size based on user selection of NEC table 310.16 or solely on voltage drop
Added AWG sizes down to 40 to conductor size selection calculator

1.15
07 Nov 2004

Added VSWR calculator
Added ability to calculate all parameters of Decibel calculator
Added Voltage Gain, dBuV, and dBV calculations to Decibel calculator
Added conversion factors to "Help" text in custom materials and sizes editors
Improved handling of some non-English localized number formats
Made custom materials list available in Conductor Size calculator
Voltage Drop calculator no longer displays picovolt values for voltage at load when voltage drop would be greater than source voltage
Numerous interface amenities

1.142
18 Oct 2004

Added more custom materials to bundled database
Added conversion factors to "Help" text in custom materials and sizes editors
A few random niceties

1.141
11 Oct 2004

Added custom material and size property editors for external databases
Voltage Drop calculator now pulls material and size properties from external databases
Added sizes down to 40 AWG to AWG conductor size database
Added a Metric size database
Added button to display DC resistance of conductor on Voltage Drop calculator
Blocked key repeating on hard keys
Left/Right on 5-way navigator can now be mapped
Combined the standard and Hi-Res graphics versions. Application now auto-selects screen density
Several insignificant embeautifications

1.13
17 Aug 2004

Added Resonance Calculator
Added Notes (Options menu item) for Circuits databases
Added ability to map calcs to 'Find' silkkey
'Switch Calc' and 'Circuits' can now be mapped to keys
Integrated dBm calc into dB calc
Corrected reappearing "Error 33: Unsupported Bitmap Format"

1.12
19 Jul 2004

Added Gain (dB) Calculator
Added Power (dBm) Calculator
Added user preference for control over decimal precision displayed
Added new scale-lock control to force fields into user-selected range
Moved calculator selection from menu items to its own form
Altered internal structures for conductor guage, ampacity, insulation, and material K
Refined menu lay-out & structures
Added Motorizer item to Options menu

1.11r004
31 May 2004

Code Maintenance: No new features or bug fixes

1.11
12 May 2004

Revamped all applicable calculators to be able to calculate ANY parameter of their formula
Time Constant calculator: Added menu item & shortcut to show 5T
Hard Key Prefs: Added behavior to allow tab order jumping from field to field
Hard Key Prefs: Added behaviors to other hard keys that were previously restricted to Up/Down keys
Added hi-res buttons to Clipboard Options in HD version
Added 'down' images to Clipboard Options buttons in both versions
Recompiled EleFont with 1 new character and removed all unused characters
Conductor Size Selection calculator: Corrected bug that would crash when wire-size or length fields containing non-numeric content was copied to the clipboard
General code upkeep & optimization

1.101r2
18 Mar 2004

Recompiled Hi-Res version with new bitmaps

1.101
17 Mar 2004

Fixed erroneous conductor size selection wire calculations on 1 through 4/0 AWG

1.10
16 Mar 2004

Added ambient temperature variable to conductor voltage drop calculator
Made Up/Down navigation selectable in Hard Keys menu
Set up for running directly from external storage cards
Put graffiti shift indicators on all calculators to make more friendly to devices with keyboards/number locks
Changed some graphic routines to facilitate a few non-conforming displays
Doubled number of trial launches
General unseen optimizations and background housekeepings

1.09
06 Mar 2004

Added ambient temperature and insulation temperature rating variables to conductor size calculator
Reinstituted 3 awg on conductor size and voltage drop calculators that inexplicably went missing in v1.08
App now opens with last calculator used
Added feature to map calculators to hard buttons
Added feature to allow menu item/shortcut to wink back to previous calculator
All calculators now automatically calculate when opened

1.08
24 Feb 2004

Corrected display errors causing conductor size selection & voltage drop calculators to be unusable on some Hi-Res Devices
Added Edit Menu items allowing the passage of settings between these same two calculators
Dropped 18 and 16 gauge conductors from these calculators as they are not included in the NEC specs
Switched conductor size selection calculator default amapacity ratings from 90C to 75C insulation

1.07
22 Feb 2004

Added conductor size selection calculator
Corrected minor UI glitches in, as well as general nicification of, conductor voltage drop calculator

1.06
27 Jan 2004

Corrected serious flaws in DC voltage drop formula
Removed voltage drop formula display to make room for...
New voltage drop calculations of percentage drop and voltage at load

1.05
26 Jan 2004

Made resistance optional on impedance calculator (previously required to get calculation)
Desensitized case for registration

1.04
25 Jan 2004

Added ability to set reactances on impedance calculator from the reactance calculator
Improved icons (I think so anyhow) and performed other graphical niceties
Fixed bug where Conductor Voltage Drop Calculator would display a kooky value when loaded in DC mode

1.03
23 Jan 2004

Adjusted registration model to accomodate additional devices

1.02
15 Jan 2004

Added DC option to Conductor Voltage Drop Calculator
Added scaling capability to current field on Conductor Voltage Drop Calculator
Fixed type mismatch error when only decimal point is entered into scalable fields

1.01
14 Jan 2004

Fixed impedance calculator fields not always being saved to database
Fixed conductor voltage drop calculator type mismatch errors
Fixed conductor voltage drop calculator erroneous length calculations
Fixed unknown value calculator not refreshing symbols when resistance is selected

1.00
12 Jan 2004

Initial Release