SyoBoN@syobon@post.syobon.net: Lotus 1-2-3との互換性を保つためにExcelの閏年判定が間違ってる話すき<br><a class="link-in-note" href="https://learn.microsoft.com/ja-jp/office/troubleshoot/excel/wrongly-assumes-1900-is-leap-year" target="_blank" rel="nofollow noopener">https://learn.microsoft.com/ja-jp/office/troubleshoot/excel/wrongly-assumes-1900-is-leap-year</a><br><br><a class="link-in-note" href="https://obj.syobon.net/2f/38/6e/2f386ebb8df3f1e7f03d0ca54ea91733a3c707319bd7d335ed3ec483a6193ef7.jpeg" target="_blank" rel="nofollow noopener">https://obj.syobon.net/2f/38/6e/2f386ebb8df3f1e7f03d0ca54ea91733a3c707319bd7d335ed3ec483a6193ef7.jpeg</a> - TinyAP
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SyoBoN@syobon@post.syobon.net (2025-12-10 18:40:13)
Lotus 1-2-3との互換性を保つためにExcelの閏年判定が間違ってる話すき
https://learn.microsoft.com/ja-jp/office/troubleshoot/excel/wrongly-assumes-1900-is-leap-year
https://obj.syobon.net/2f/38/6e/2f386ebb8df3f1e7f03d0ca54ea91733a3c707319bd7d335ed3ec483a6193ef7.jpeg
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