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Options: Maximum Iterations and Maximum Change in File > Options > Formulas

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The Formulas section had the calculation-mode radios and Enable iterative
calculation but not the two limits that formulas.calculationOptions already
takes. They now sit under the checkbox, disabled while iteration is off, and
commit when the field loses focus. Like Excel, out-of-range entries
(Maximum Iterations outside 1-32767, a negative or non-numeric Maximum
Change) are refused with a message instead of being clamped by the command;
the Enter that committed the field no longer also dismisses that message.

Labels and messages are translated for every interface language. A kittest
covers the disabled state, valid and invalid entries, and undo refreshing
the field. Drops the stale "no Options dialog yet" from gaps.md and
function-parity.md.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Harrison Booth
2026-10-15 01:19:03 -05:00
co-authored by Claude Opus 5.5
parent e6b6b34970
commit 5bd6cc3d04
16 changed files with 194 additions and 8 deletions
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docs/function-parity.md
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@@ -1,6 +1,6 @@
# Function parity: worksheet functions and formulas
> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-12 · **Change:** minor (USDOLLAR added as a compatibility function; MIRR, COUNTIF and INDIRECT edge cases match Excel 365) · **Target:** Microsoft Excel (Microsoft 365), Excel for Mac 16.113.4
> **Last reviewed:** 2026-10-11 · **Last updated:** 2026-10-15 · **Change:** minor (iterative calculation settings in File › Options) · **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).
@@ -79,7 +79,7 @@ PIVOTBY, REGEXTEST…) are all present.
| Implicit intersection `@`, legacy CSE array formulas | done; legacy array range fill (PR #156) |
| Trim references `A1:.E10` (trailing), `A1.:E10` (leading), `A1.:.E10` (both), also on whole rows/columns (`A:.A`) | done; evaluated as `TRIMRANGE(range, code, code)`, adjusted on insert/delete; files store `_xlfn.TRIMRANGE(range,code,code)` (Excel's own file spelling unconfirmed in public docs), `_xlfn._TRO_ALL/_TRO_LEADING/_TRO_TRAILING(...)` read too |
| LET, LAMBDA, named LAMBDAs, ISOMITTED, MAP/REDUCE/SCAN/BYROW/BYCOL/MAKEARRAY | done |
| Iterative calculation for circular references | done: with Enable Iterative Calculation on (`formulas.calculationOptions` `{iterative, maxIterations, maxChange}`, saved as `<calcPr iterate iterateCount iterateDelta>`), loops are evaluated again from their previous values (blank = 0) until no cell on a loop changes by Maximum Change or Maximum Iterations is reached; off, cycles give `#CIRC!`. Differences: no Options dialog yet (command only); GridCraft recalculates on open, so a loop that never settles (`=A1+1`) advances again each time the file is opened |
| Iterative calculation for circular references | done: with Enable Iterative Calculation on (`formulas.calculationOptions` `{iterative, maxIterations, maxChange}`, saved as `<calcPr iterate iterateCount iterateDelta>`), loops are evaluated again from their previous values (blank = 0) until no cell on a loop changes by Maximum Change or Maximum Iterations is reached; off, cycles give `#CIRC!`. Set in File › Options › Formulas (Enable iterative calculation, Maximum Iterations 1 to 32767, Maximum Change 0 or more; the two fields are disabled while iteration is off). Differences: GridCraft recalculates on open, so a loop that never settles (`=A1+1`) advances again each time the file is opened |
| 15-significant-digit comparison semantics | **missing** (#57: `=0.1+0.2=0.3` is FALSE) |
| External workbook references (`[Book.xlsx]Sheet1!A1`) | parsed; links dropped on open, no update |
| Localized function names and `;` separators | **missing** (#45); en-US only |
@@ -108,6 +108,7 @@ workbooks; results checked in as data, not Excel files) and fixing what it finds
| Date | Change | Summary |
|---|---|---|
| 2026-10-15 | minor | Iterative calculation: Maximum Iterations and Maximum Change are set in File › Options › Formulas (dropped "no Options dialog yet") |
| 2026-10-12 | minor | USDOLLAR added as a Compatibility function (not on Microsoft's list, so the counts don't change); MIRR with no positive flow is -1, COUNTIF's bare `"<="` / `">="` skip empty strings, INDIRECT with `a1` = FALSE gives `#REF!` for A1-style text (#738) |
| 2026-10-11 | minor | TEXT / number formats fixed against Excel-cached results: fraction literals and zero fractions, `0` denominators zero padded, `?` pads the thousands separator, booleans use the text section (226 mismatches → 0 in 352 TEXT cells) |
| 2026-10-11 | minor | Iterative calculation: circular references iterate up to Maximum Iterations / Maximum Change when enabled |