Bingo Column Letter Ranges Standard
Standard US 75-ball bingo column number ranges; center free-space card construction excluded.
Description
Bingo Column Letter Ranges Standard: look up a supported built-in reference entry.
A 75-ball Bingo card assigns a numeric range to each lettered column. Other Bingo formats can use different arrangements.
This tool returns a built-in reference entry for an exact supported selector. The supported entries and their scope are part of the tool; no website or current external table is queried.
When to use this tool
Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.
- Check the supported input and output contract against an existing calculation or observation.
- Use the complete example to confirm units, selector spelling and result interpretation.
How to use the tool and how it works
- Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
- Run the tool. Correct input errors before interpreting an output.
- Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.
Match uppercase B, I, N, G or O to the stored inclusive ranges 1–15, 16–30, 31–45, 46–60 and 61–75.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| column | Column. | Exact value: "B", "I", "N", "G", "O" |
| column | Built-in entry |
|---|---|
| "B" | [1,15] |
| "I" | [16,30] |
| "N" | [31,45] |
| "G" | [46,60] |
| "O" | [61,75] |
| Output field | Interpretation |
|---|---|
| result | Object containing the following named result fields. |
| result.reference | The stored entry for the exact selected key; its type may be text, a number or a list. |
{
"input": {
"column": "N"
},
"output": {
"result": {
"reference": [
31,
45
]
}
}
}Limitations and assumptions
- The tool does not generate a card, account for the free square or cover other ball-count formats.
- Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
- Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.
Alternative or Complementary methods
Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.
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