THE NUMBERS, EXPLAINED
How to use this calculator.
Aligned rows represent sizes; kits cannot be substituted between sizes. Allocate up to demand and report stock remaining after issue.
Start with your inputs
Enter required kits by size (counts), available kits by size (counts). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Required kits by size (counts) | 12,20,8 |
| Available kits by size (counts) | 10,25,5 |
A worked example
With the example inputs above, kits to issue by size is 10, 20, 5. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Kits to issue by size | 10, 20, 5 |
| Shortages by size | 2, 0, 3 |
| Remaining stock by size | 0, 5, 0 |
How this is calculated
Kits to issue by size
Issue the smaller of demand and available stock in each size.
Shortages by size
Subtract stock from required kits, floored at zero.
Remaining stock by size
Subtract issued kits from available stock.
Symbols and units
- a
- Required kits by size (counts)
- b
- Available kits by size (counts)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions and limits
Aligned rows represent sizes; kits cannot be substituted between sizes. Allocate up to demand and report stock remaining after issue.
Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.
Questions about this tool
What does the result tell me?
Kits to issue by size; Shortages by size; Remaining stock by size. The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.
Why might another calculator differ?
Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Aligned rows represent sizes; kits cannot be substituted between sizes. Allocate up to demand and report stock remaining after issue.
Are my inputs stored or sent to AI?
Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.
Further reading
OpenStax Prealgebra 2e — arithmetic and proportions ↗
Background reading; this does not imply endorsement or independent review of SumFizz.
Review status
Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.
Read the quality report →