From 35d6c23fd107dbf82ef6f4f599b2f75418a08dd1 Mon Sep 17 00:00:00 2001 From: vangel76 Date: Sun, 11 Oct 2026 12:07:41 +0200 Subject: [PATCH] Functions: BAHTTEXT (#291) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Thai number words with บาท / สตางค์ / ถ้วน, rounded to satang, ล้าน repeating per six digits, ลบ for negatives. Co-Authored-By: Claude Opus 5.5 --- README.md | 2 +- ROADMAP.md | 8 ++- crates/functions/src/text.rs | 107 +++++++++++++++++++++++++++++++++++ docs/function-parity.md | 15 ++--- docs/gaps.md | 5 +- docs/target-app-parity.md | 11 ++-- 6 files changed, 130 insertions(+), 18 deletions(-) diff --git a/README.md b/README.md index 770b3fe..9f1795f 100644 --- a/README.md +++ b/README.md @@ -197,7 +197,7 @@ egui frontend is a separate crate, so the UI can be swapped without touching the GridCraft is in **alpha**: the core workflow works end to end, but depth, fidelity and file compatibility are still rough. It covers 89% of the Excel ribbon commands in our catalog -([`docs/parity-checklist.md`](docs/parity-checklist.md)) and 501 of Excel's 523 worksheet functions +([`docs/parity-checklist.md`](docs/parity-checklist.md)) and 502 of Excel's 523 worksheet functions ([`docs/function-parity.md`](docs/function-parity.md)); weighted by what Excel users rely on, we estimate it is about 50% ready for real work. Next up: XLSX fidelity on real-world files, very large workbooks and multi-threaded recalc, chart depth, text in every script, and `.xls` import. Stage, diff --git a/ROADMAP.md b/ROADMAP.md index 1189fd7..ff9d412 100644 --- a/ROADMAP.md +++ b/ROADMAP.md @@ -2,7 +2,7 @@ **Stage: alpha** · next: beta, ~25 points of "ready for real work" and ~160–240 h away -> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-10 · **Change:** major (full re-measure against Excel for Mac 16.113.4; restructured to the craftrules progress-docs standard) · **Target:** Microsoft Excel (Microsoft 365) +> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-11 · **Change:** minor (worksheet functions 502 / 523) · **Target:** Microsoft Excel (Microsoft 365) GridCraft aims at full Microsoft Excel parity, and at being better in places: faster, open (XLSX is the native format), fully scriptable by agents (MCP, control channel, CLI), and on the web. @@ -21,7 +21,7 @@ This page is the summary. The detail is in: | Number | Value | Kind | |---|---|---| -| **Feature breadth** (weighted) | **~75%** | estimated, anchored on two measurements: ribbon catalog 258 / 290 (89.0%), worksheet functions 501 / 523 (95.8%; 492 working, 94.1%) | +| **Feature breadth** (weighted) | **~75%** | estimated, anchored on two measurements: ribbon catalog 258 / 290 (89.0%), worksheet functions 502 / 523 (96.0%; 493 working, 94.3%) | | **Ready for real work** | **~50%** | estimated from written weights (51.6); [target-app-parity.md](docs/target-app-parity.md) | | **Mainstream practitioner** | **~50%** | estimated: typical analyst/finance user, weekly features, × 0.90 interaction × 0.92 stability × 0.88 file exchange; [method](docs/target-app-parity.md#mainstream-practitioner) | | **Essentials user** | **~63%** | estimated: core features only, × 0.92 launch/stability × 0.95 clarity × 0.90 opening sent files; [method](docs/target-app-parity.md#essentials-user) | @@ -74,7 +74,7 @@ collaboration, mobile, AI). | Area | Breadth | Ready | Hours | Doc | |---|---|---|---|---| | Formula language and calculation | ~92% | ~72% | 20–30 | [target-app-parity.md](docs/target-app-parity.md#feature-areas) | -| Worksheet functions | 95.8% measured | ~82% | 18–30 | [function-parity.md](docs/function-parity.md) | +| Worksheet functions | 96.0% measured | ~82% | 18–30 | [function-parity.md](docs/function-parity.md) | | Editing, navigation, clipboard, fill | ~90% | ~70% | 15–25 | [ui-parity.md](docs/ui-parity.md) | | Cell formatting, styles, conditional formatting | ~95% | ~80% | 8–14 | [target-app-parity.md](docs/target-app-parity.md#feature-areas) | | Sort, filter, tables, validation, outline | ~82% | ~70% | 10–16 | [target-app-parity.md](docs/target-app-parity.md#feature-areas) | @@ -131,6 +131,7 @@ Ranked; estimates in Opus 5.5 agent-hours. Detail and the full beta-gate list in | Date | What landed | |---|---| +| 2026-10-11 | BAHTTEXT: amounts in Thai words with Baht and Satang (#291) | | 2026-10-10 | Ribbon translated into Japanese, Chinese, Korean, Brazilian Portuguese and Russian with system-language default (#31, #104, #82); CJK/Thai/Hebrew font fallback (#38); clear messages for encrypted and `.xls` files (#17); smooth line charts (#62). Progress docs restructured to the craftrules standard; full re-measure (this page). Initial ribbon key tips (#43), in-place text box editing (#84), copy as HTML table (#36). ODS and XLSB data import (#100, #101); recalc linear in the number of range formulas (#66); RISC-V Linux build; Flatpak repository on Pages; web cell-commit trap fixed | | 2026-10-09 | Community fixes: spill range operator `A1#`, sheet-scoped names, protection refuses locked-cell edits, Insert/Delete Cells adjust references, `DATE(1900,2,29)`, SUMIF sizing, `ROUND` at 15 digits, `_xlpm.` LAMBDA parameters in XLSX, vertical scrollbar, system appearance, border previews; v0.4.0 | | 2026-10-08 | v0.2.0 and v0.3.0 releases; Flatpak, AppImage zsync, branded DMG; desktop log file; DirectX 12 default on Windows | @@ -142,6 +143,7 @@ Ranked; estimates in Opus 5.5 agent-hours. Detail and the full beta-gate list in | Date | Change | Summary | |---|---|---| +| 2026-10-11 | minor | Worksheet functions 502 / 523 (BAHTTEXT); progress log row | | 2026-10-10 | minor | Readiness-by-audience table with hours to ~95% per audience; full number unchanged (additive weighted sum) | | 2026-10-10 | minor | Added Mainstream practitioner (~50%) and Essentials user (~63%); languages updated for the 10-10 merges (ribbon in ja, zh, ko, pt-BR, ru); localization 5%→10%; full number re-checked (51.6, unchanged) | | 2026-10-10 | minor | Checked against the alpha gate (six core workflows pass): stays alpha | diff --git a/crates/functions/src/text.rs b/crates/functions/src/text.rs index 172c934..2eeba27 100644 --- a/crates/functions/src/text.rs +++ b/crates/functions/src/text.rs @@ -403,6 +403,88 @@ fn dollar(a: &[Arg], _c: &mut dyn Ctx) -> R { text_val(if r < 0.0 { format!("(${body})") } else { format!("${body}") }) } +// --------------------------------------------------------------------------------------------- +// BAHTTEXT + +const THAI_DIGITS: [&str; 10] = ["ศูนย์", "หนึ่ง", "สอง", "สาม", "สี่", "ห้า", "หก", "เจ็ด", "แปด", "เก้า"]; +/// Units, tens, hundreds, thousands, ten thousands, hundred thousands. +const THAI_PLACES: [&str; 6] = ["", "สิบ", "ร้อย", "พัน", "หมื่น", "แสน"]; + +/// Thai words for a group of up to six decimal digits (most significant first); empty for zero. +/// One in the tens is สิบ, two is ยี่สิบ, and a final one after higher digits is เอ็ด. +fn thai_group(digits: &[u8]) -> String { + let n = digits.len(); + let higher = digits.iter().take(n.saturating_sub(1)).any(|d| *d != 0); + let mut out = String::new(); + for (i, &d) in digits.iter().enumerate() { + let place = n - 1 - i; + match (place, d) { + (_, 0) => {} + (0, 1) if higher => out.push_str("เอ็ด"), + (1, 1) => out.push_str("สิบ"), + (1, 2) => out.push_str("ยี่สิบ"), + _ => { + out.push_str(THAI_DIGITS.get(d as usize).copied().unwrap_or_default()); + out.push_str(THAI_PLACES.get(place).copied().unwrap_or_default()); + } + } + } + out +} + +/// Thai words for a whole number written in decimal digits: groups of six digits, each but the +/// last followed by ล้าน (so 10^12 is หนึ่งล้านล้าน). +fn thai_number(digits: &str) -> String { + let d: Vec = digits.bytes().filter(u8::is_ascii_digit).map(|b| b - b'0').skip_while(|x| *x == 0).collect(); + if d.is_empty() { + return "ศูนย์".to_string(); + } + let first = match d.len() % 6 { + 0 => 6, + r => r, + }; + let mut out = String::new(); + let mut start = 0; + let mut len = first; + while let Some(group) = d.get(start..start + len) { + out.push_str(&thai_group(group)); + start += len; + len = 6; + if start < d.len() { + out.push_str("ล้าน"); + } + } + out +} + +/// BAHTTEXT(number): the amount in Thai words with บาท, rounded to satang (สตางค์); a whole +/// number of baht ends in ถ้วน and a negative amount starts with ลบ. +fn bahttext(a: &[Arg], _c: &mut dyn Ctx) -> R { + let x = round_half_away(num(a, 0)?, 2); + if !x.is_finite() { + return Err(CellError::Num); + } + let fixed = format!("{:.2}", x.abs()); + let (whole, frac) = fixed.split_once('.').unwrap_or((fixed.as_str(), "00")); + let baht = whole.bytes().any(|b| b != b'0'); + let satang = frac.bytes().any(|b| b != b'0'); + let mut out = String::new(); + if x < 0.0 && (baht || satang) { + out.push_str("ลบ"); + } + if baht || !satang { + out.push_str(&thai_number(whole)); + out.push_str("บาท"); + } + if satang { + out.push_str(&thai_number(frac)); + out.push_str("สตางค์"); + } else { + out.push_str("ถ้วน"); + } + text_val(out) +} + fn t_fn(a: &[Arg], _c: &mut dyn Ctx) -> R { match scalar(arg(a, 0)?) { Value::Text(t) => Ok(Value::Text(t)), @@ -762,6 +844,7 @@ pub(crate) fn specs() -> Vec { fixed ), f!("DOLLAR", 1, 2, Text, S, "DOLLAR(number, [decimals])", "Formats a number as currency text.", dollar), + f!("BAHTTEXT", 1, 1, Text, S, "BAHTTEXT(number)", "Spells out a number in Thai words with Baht.", bahttext), f!("T", 1, 1, Text, S, "T(value)", "Returns the value if it is text, otherwise empty text.", t_fn), f!( "TEXTBEFORE", @@ -856,6 +939,30 @@ mod tests { use crate::util::testutil::*; + #[test] + fn bahttext() { + let bt = |x: f64| ev("BAHTTEXT", vec![n(x)]); + // Microsoft's example. + is_text(bt(1234.0), "หนึ่งพันสองร้อยสามสิบสี่บาทถ้วน"); + // Tens, เอ็ด, satang, millions and beyond, sign and rounding to satang. + is_text(bt(0.0), "ศูนย์บาทถ้วน"); + is_text(bt(21.25), "ยี่สิบเอ็ดบาทยี่สิบห้าสตางค์"); + is_text(bt(0.5), "ห้าสิบสตางค์"); + is_text(bt(101.0), "หนึ่งร้อยเอ็ดบาทถ้วน"); + is_text(bt(1_000_000.0), "หนึ่งล้านบาทถ้วน"); + is_text(bt(11_000_000.0), "สิบเอ็ดล้านบาทถ้วน"); + is_text(bt(2_000_005_000_000.0), "สองล้านห้าล้านบาทถ้วน"); + is_text(bt(1e12), "หนึ่งล้านล้านบาทถ้วน"); + is_text(bt(-15.5), "ลบสิบห้าบาทห้าสิบสตางค์"); + is_text(bt(1.999), "สองบาทถ้วน"); + is_text(bt(0.005), "หนึ่งสตางค์"); + is_text(bt(-0.001), "ศูนย์บาทถ้วน"); + is_err(ev("BAHTTEXT", vec![t("abc")]), CellError::Value); + // Huge numbers give text (or #NUM! where rounding overflows), never a panic. + assert!(matches!(bt(-1e300), Value::Text(_))); + assert!(matches!(bt(f64::MAX), Value::Text(_) | Value::Error(CellError::Num))); + } + #[test] fn concat_family() { is_text(ev("CONCATENATE", vec![t("a"), n(1.5), b(true)]), "a1.5TRUE"); diff --git a/docs/function-parity.md b/docs/function-parity.md index 8ff9d49..f5c4891 100644 --- a/docs/function-parity.md +++ b/docs/function-parity.md @@ -1,6 +1,6 @@ # Function parity: worksheet functions and formulas -> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-10 · **Change:** major (created; measured against Microsoft's published Excel function list) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4 +> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-11 · **Change:** minor (BAHTTEXT added) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4 Excel's worksheet functions, category by category, against GridCraft's function library. Part of [target-app-parity.md](target-app-parity.md); gaps feed [gaps.md](gaps.md). @@ -12,7 +12,7 @@ Excel's worksheet functions, category by category, against GridCraft's function them), plus 14 text functions the page lists under combined entries (FIND/FINDB, LEFT/LEFTB, LEN/LENB, MID/MIDB, REPLACE/REPLACEB, RIGHT/RIGHTB, SEARCH/SEARCHB), BETA.INV, and COPILOT and PY (Microsoft 365 functions not on that page when fetched). -- **Ours (501):** every function spec in `crates/functions/src/*.rs` (`f!("NAME", …)`) plus the +- **Ours (502):** every function spec in `crates/functions/src/*.rs` (`f!("NAME", …)`) plus the evaluator's special forms in `crates/calc/src/eval.rs` (`SPECIAL_FUNCTIONS`: IF, IFS, CHOOSE, OFFSET, INDIRECT, INDEX, SUBTOTAL, AGGREGATE, TEXT, LET, LAMBDA, MAP, REDUCE, SCAN, BYROW, BYCOL, MAKEARRAY…), excluding the test-only `ADD2`. Every one is an Excel name. @@ -23,7 +23,7 @@ Excel's worksheet functions, category by category, against GridCraft's function ## Coverage -**Measured: 501 / 523 by name (95.8%); 492 / 523 working (94.1%).** +**Measured: 502 / 523 by name (96.0%); 493 / 523 working (94.3%).** | Category | Excel | Ours | Working | % working | Missing | |---|---|---|---|---|---| @@ -31,7 +31,7 @@ Excel's worksheet functions, category by category, against GridCraft's function | Math and trigonometry | 80 | 79 | 79 | 99% | PERCENTOF | | Financial | 55 | 51 | 51 | 93% | ODDFPRICE, ODDFYIELD, ODDLPRICE, ODDLYIELD | | Engineering | 54 | 54 | 54 | 100% | — | -| Text | 50 | 47 | 47 | 94% | BAHTTEXT, DETECTLANGUAGE, TRANSLATE | +| Text | 50 | 48 | 48 | 96% | DETECTLANGUAGE, TRANSLATE | | Lookup and reference | 40 | 36 | 36 | 90% | GETPIVOTDATA, IMAGE, RTD, TRIMRANGE | | Compatibility | 40 | 40 | 40 | 100% | — | | Date and time | 25 | 25 | 25 | 100% | — | @@ -42,9 +42,9 @@ Excel's worksheet functions, category by category, against GridCraft's function | Web | 3 | 3 | 1 | 33% | (WEBSERVICE, FILTERXML are stubs; ENCODEURL works) | | Add-in and Automation | 3 | 0 | 0 | 0% | CALL, EUROCONVERT, REGISTER.ID | | AI and Python | 2 | 0 | 0 | 0% | COPILOT, PY | -| **Total** | **523** | **501** | **492** | **94.1%** | 22 missing, 9 stubs | +| **Total** | **523** | **502** | **493** | **94.3%** | 21 missing, 9 stubs | -By the Excel version that introduced them (working / total): before 2010 342 / 360, 2010 +By the Excel version that introduced them (working / total): before 2010 343 / 360, 2010 56 / 56, 2013 49 / 51, 2016 1 / 5, 2019 6 / 6, 2021 11 / 11, 2024 22 / 23, Microsoft 365 5 / 11. Dynamic-array and LAMBDA-era functions (FILTER, SORT, UNIQUE, XLOOKUP, VSTACK, TAKE, GROUPBY, PIVOTBY, REGEXTEST…) are all present. @@ -56,7 +56,7 @@ PIVOTBY, REGEXTEST…) are all present. | FORECAST.ETS family (4) | yes | 4–6 h | AAA exponential smoothing with seasonality detection; needed for Forecast Sheet too | | ODDFPRICE, ODDFYIELD, ODDLPRICE, ODDLYIELD | yes | 2–4 h | Odd first/last period bond maths | | GETPIVOTDATA | yes | 2–3 h | Needs the pivot engine's result cache; also the "Generate GetPivotData" option | -| TRIMRANGE, PERCENTOF, BAHTTEXT | yes | 1–2 h | TRIMRANGE also implies the `.:` trim-ref operators | +| TRIMRANGE, PERCENTOF | yes | 1–2 h | TRIMRANGE also implies the `.:` trim-ref operators | | IMAGE | yes | 3–5 h | Pictures in cells (see PR #105); fetching URLs needs a privacy decision | | EUROCONVERT | yes | 0.5 h | Fixed conversion table | | CUBE* (7), WEBSERVICE, FILTERXML | partly | 4–8 h | FILTERXML can work offline; CUBE needs an OLAP/data-model source | @@ -97,4 +97,5 @@ workbooks; results checked in as data, not Excel files) and fixing what it finds | Date | Change | Summary | |---|---|---| +| 2026-10-11 | minor | BAHTTEXT added: 502 / 523 by name, 493 working | | 2026-10-10 | major | Created: 501 / 523 by name, 492 working, per category, against Microsoft's published list | diff --git a/docs/gaps.md b/docs/gaps.md index aa752b8..77b29aa 100644 --- a/docs/gaps.md +++ b/docs/gaps.md @@ -1,6 +1,6 @@ # Gaps -> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-10 · **Change:** major (created from the full re-measure against Excel for Mac 16.113.4 and the issue tracker) · **Target:** Microsoft Excel (Microsoft 365) +> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-11 · **Change:** minor (§15: BAHTTEXT landed) · **Target:** Microsoft Excel (Microsoft 365) Every known shortfall against Excel, one entry each, ranked by user impact (what blocks someone using GridCraft for real work first). This is the work list: pick from the top, check the open @@ -106,7 +106,7 @@ No alpha blockers: every core workflow passes the [alpha gate](roadmap.md#alpha- #143). **Estimate:** 12–20 h. ### 15. Remaining functions and an oracle suite (F) -- 22 missing, 9 stubs; no Excel-computed oracle corpus; #137, #138. **Estimate:** 18–30 h. +- 21 missing, 9 stubs; no Excel-computed oracle corpus; #137, #138. **Estimate:** 18–30 h. [function-parity.md](function-parity.md) ### 16. Collaboration and review (F) @@ -149,6 +149,7 @@ No alpha blockers: every core workflow passes the [alpha gate](roadmap.md#alpha- | Date | Change | Summary | |---|---|---| +| 2026-10-11 | minor | §15: BAHTTEXT added (21 functions missing) | | 2026-10-10 | minor | Updated for the 10-10 merges (#17, #31, #38, #62, #82, #104, #116) and the new chart resize bug (#190) | | 2026-10-10 | minor | Noted that no gap blocks the alpha gate | | 2026-10-10 | major | Created: 24 ranked gaps with evidence, from the full re-measure and the 60 open issues | diff --git a/docs/target-app-parity.md b/docs/target-app-parity.md index 2e5ed01..40e2170 100644 --- a/docs/target-app-parity.md +++ b/docs/target-app-parity.md @@ -1,6 +1,6 @@ # Target-app parity: GridCraft vs Microsoft Excel -> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-10 · **Change:** major (first full assessment; re-measure against Excel for Mac 16.113.4, replacing the estimates that lived in ROADMAP.md) · **Target:** Microsoft Excel (Microsoft 365) +> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-11 · **Change:** minor (worksheet functions 502 / 523: BAHTTEXT) · **Target:** Microsoft Excel (Microsoft 365) This is the authoritative parity assessment. [`ROADMAP.md`](../ROADMAP.md) summarizes it, [`gaps.md`](gaps.md) lists every shortfall, and the area checklists hold the detail: @@ -14,7 +14,7 @@ generated ribbon checklist is [`parity-checklist.md`](parity-checklist.md). |---|---|---| | Feature breadth (weighted by use) | **~75%** | estimated from the area table below; anchored on two measurements | | Ribbon and menu catalog | **258 / 290 (89.0%)** | measured: `cargo xtask parity` (`crates/engine/src/catalog.rs` ∩ registered command ids) | -| Worksheet functions, by name | **501 / 523 (95.8%)** | measured: registered functions vs Microsoft's published function list (method below) | +| Worksheet functions, by name | **502 / 523 (96.0%)** | measured: registered functions vs Microsoft's published function list (method below) | | Worksheet functions that do real work | **492 / 523 (94.1%)** | measured: excludes 9 stubs (7 CUBE functions, WEBSERVICE, FILTERXML) | | **Ready for real work** | **~50%** | estimated; written weights below (51.6 computed) | | **Mainstream practitioner** | **~50%** | estimated; [method](#mainstream-practitioner) (69.5 depth × 0.90 × 0.92 × 0.88 = 50.6) | @@ -53,7 +53,7 @@ long `.xls` track, so about half parallelizes (≈30–50 wall-clock hours with LEFT/LEFTB, LEN/LENB, MID/MIDB, REPLACE/REPLACEB, RIGHT/RIGHTB, SEARCH/SEARCHB, BETA.INV) and COPILOT and PY: **523 functions**. Ours: every `f!(…)` spec in `crates/functions/src/*.rs` plus `SPECIAL_FUNCTIONS` in `crates/calc/src/eval.rs` (evaluator special forms), minus the test-only - `ADD2`: **501**, all of them Excel names. + `ADD2`: **502**, all of them Excel names. - **Ribbon catalog:** `crates/engine/src/catalog.rs` (290 unique ids across 15 tabs) against the 313 command ids registered in `crates/engine/src/cmd/*.rs`, recomputed from source by script and identical to the committed `parity-checklist.md`. The catalog is our own transcription of @@ -80,7 +80,7 @@ performance 8, stability 8, localization 4, hardware 2, platforms 2, ecosystem 2 | Area | Weight | Breadth | Ready | Hours | Evidence | |---|---|---|---|---|---| | Formula language and calculation | 18 | ~92% | ~72% | 20–30 | A1/R1C1 parser, reference adjustment, dependency-graph recalc, dynamic arrays and `#SPILL!`, `A1#`, LET/LAMBDA and helpers, structured references, names, 3-D references. Open correctness bugs: 15-digit equality (#57), stale spills after structural edits and cleared blockers (#133, #139), 3-D span endpoint deletion (#140), sheet rename and qualified names (#134). Single-threaded | -| Worksheet functions | 12 | 95.8% (measured) | ~82% | 18–30 | 501 / 523 names, 492 working. Missing: FORECAST.ETS family, ODDF*/ODDL*, GETPIVOTDATA, TRIMRANGE, PERCENTOF, BAHTTEXT, IMAGE plus cloud functions. No conformance suite against Excel-computed oracles; edge-case bugs keep surfacing (#137, #138). [function-parity.md](function-parity.md) | +| Worksheet functions | 12 | 96.0% (measured) | ~82% | 18–30 | 502 / 523 names, 493 working. Missing: FORECAST.ETS family, ODDF*/ODDL*, GETPIVOTDATA, TRIMRANGE, PERCENTOF, IMAGE plus cloud functions. No conformance suite against Excel-computed oracles; edge-case bugs keep surfacing (#137, #138). [function-parity.md](function-parity.md) | | Editing, navigation, clipboard, fill | 12 | ~90% | ~70% | 15–25 | Point mode, F4, AutoComplete, Paste Special, AutoFill, Flash Fill, Find/Replace, Go To Special. Bugs: rectangular drag-select (#28), monthly fill (#132), cut across sheets (#128), Insert Copied Cells missing (#21), key tips only on part of the Home tab (#43; #33, #49). [ui-parity.md](ui-parity.md) | | Cell formatting, styles, conditional formatting | 10 | ~95% | ~80% | 8–14 | Full number-format language, borders, 47 cell styles, 60 table styles, all CF rule kinds including data bars, colour scales and icon sets. Gaps: font weights beyond regular/bold (#168), system fonts list (#4), themes | | Sort, filter, tables, validation, outline | 8 | ~82% | ~70% | 10–16 | Multi-level sort, AutoFilter, Advanced Filter, tables with totals, validation, outline, subtotals, consolidate. Bugs: subtotal header (#131), validation edits (#129), table style panic caught (#130); no slicers on tables | @@ -277,7 +277,7 @@ The inventory carried over from the 2026-10-07 ROADMAP.md, updated for what land - Engine: A1/R1C1 formula parser with reference adjustment, dependency-graph recalculation with dynamic arrays (spill + `#SPILL!`), cycle detection, LET/LAMBDA/MAP/REDUCE/SCAN/BYROW/BYCOL/ MAKEARRAY, structured table references, defined names, INDIRECT/OFFSET/INDEX references, - 501 worksheet functions (478 at M0) (math, statistics and distributions, text and regex, lookup incl. + 502 worksheet functions (478 at M0) (math, statistics and distributions, text and regex, lookup incl. XLOOKUP/FILTER/SORT/UNIQUE/VSTACK, dates, financial incl. bonds, engineering incl. complex numbers and Bessel, database, information). - Number formats: Excel's full format-code language (sections, conditions, colours, dates and @@ -332,6 +332,7 @@ The inventory carried over from the 2026-10-07 ROADMAP.md, updated for what land | Date | Change | Summary | |---|---|---| +| 2026-10-11 | minor | Worksheet functions 502 / 523 (96.0%; 493 working): BAHTTEXT | | 2026-10-10 | minor | Readiness-by-audience table: hours to ~95% for each of the three numbers (full 650–1,050, mainstream 200–310, essentials 60–100). Full number confirmed as the additive weighted sum over the written dimension weights (no change) | | 2026-10-10 | minor | Added Mainstream practitioner (~50%) and Essentials user (~63%) with written weights and discounts, and user-evidence counts; re-checked the full number after the 10-10 merges (charts 38→30, localization 5→10; still 51.6, ~50%) | | 2026-10-10 | minor | Stage checked against the new alpha gate (six core workflows, all pass): stays alpha |