Release Notes - NSBA IRM Evaluator

NOTE: Cell callouts listed below may not necessarily align with current state of spreadsheet as rows and columns may have been added and subtracted in subsequent versions.

Version 3.1 - June 2023
1 - All spreadsheets: Improved fatigue moment input field making it more clear what factors to include in the design moment. Added demand/capacity peformance ratios for strength limit state calculations as a convenient reference. Corrected assortment of minor labels to improve useability. 

Version 3.0 - March 2023
1 - Multi-Component Axial spreadsheet: Includes corrections to the web and flange plate count functions for N_ax and for the bending factor calculation. This version also corrects errors in the half and full cross-sectional area calculations.
2 - All spreadsheets: Includes alignment of the version number across all IRM Evaluator suite of tools.

Version 2.2 - January 2023
1 - Includes initial release of NSBA IRM Evaluator for two-Component axial members. This member type was added in the 2022 Interim Revisions to the AASHTO Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-up Steel Members. 
2 - Includes v1.8 Multi-Component Axial spreadsheet. This update corrects the span length input field used to calculate the multiple presence factor and minor spelling errors.
3 - Includes v2.0 Flexural spreadsheet. This update corrects minor spelling errors. 
4 - See "Version Notes" within each spreadsheet for more information.

Version 2.1 - December 2020
1 - Includes v1.7 Axial spreadsheet. This update corrects the fastener hole area calculation in the angles and other misc. improvements.
2 - Includes v1.9 Flexural spreadsheet. This update adds a feature to add fastener holes in the flange for box members with multiple flange plates, and other misc. improvements.
3 - See "Version Notes" within each spreadsheet for more information.

Version 2.00 - June 26, 2020
1 - Initial release of NSBA IRM Evaluator for axial and flexural members.
2 - Includes v1.07 Flexural spreadsheet.
3 - Includes v1.06 Axial spreadsheet.  This is an update to the earlier released version (v1.04) which includes spelling errors corrections, and improved cell function logic for total remaining fatigue life.
calculation in faulted state, added FCP input override option and input clearing buttons.
4 - See "Version Notes" within each spreadsheet for more infomation on what's new.