antialias/soroban-abacus-flashcards
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feat: add arrow from '1' in borrow hint pointing right

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Replace 'n + 10' text inside borrowed 10s box with an arrow (→) after
the '1' in 'n − 1' that points toward the borrowed 10s box. This shows
the flow of the borrowed 1 moving to the next column.

- Made the '1' bold to emphasize it
- Added rightward arrow (→) after the 1
- Removed the 'n + 10' text from inside the borrowed 10s box
This commit is contained in:
Thomas Hallock
2025-11-08 06:34:40 -06:00
parent f5d3de2309
commit b718994dab
1 changed files with 8 additions and 10 deletions
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18
apps/web/src/app/create/worksheets/addition/typstHelpers.ts
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@@ -444,9 +444,14 @@ export function generateSubtractionProblemStackFunction(
#stack(
dir: ttb,
spacing: 1pt,
// Show the calculation hint
// Show the calculation hint with arrow
align(center)[
#text(size: ${(cellSizePt * 0.25).toFixed(1)}pt, fill: gray.darken(30%))[#str(original-digit) − 1]
#box[
#text(size: ${(cellSizePt * 0.25).toFixed(1)}pt, fill: gray.darken(30%))[#str(original-digit) − ]
#text(size: ${(cellSizePt * 0.25).toFixed(1)}pt, fill: gray.darken(30%), weight: "bold")[1]
#h(2pt)
#text(size: ${(cellSizePt * 0.3).toFixed(1)}pt, fill: gray.darken(30%))[→]
]
],
// Show the borrow box
if show-colors {
@@ -508,14 +513,7 @@ export function generateSubtractionProblemStackFunction(
height: ${cellSizeIn} * 0.95,
stroke: (dash: "dotted", thickness: 1pt, paint: gray),
fill: borrow-source-color
)[
// When showing hints, add calculation hint inside the box
#if show-borrowing-hints {
align(center + horizon)[
#text(size: ${(cellSizePt * 0.45).toFixed(1)}pt, fill: gray.darken(30%))[#str(digit) + 10]
]
}
],
)[],
// Original digit
text(size: ${cellSizePt.toFixed(1)}pt, font: "New Computer Modern Math")[#str(digit)]
)