THE NUMBERS, EXPLAINED
How to use this calculator.
Deductions are allocated using agreed weights, not legal responsibility. Negative refund means the assigned deduction exceeds that resident’s deposit.
Start with your inputs
Enter deposits contributed by resident, total documented deductions, agreed deduction responsibility weights. Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Deposits contributed by resident | 500,500 |
| Total documented deductions | 120 |
| Agreed deduction responsibility weights | 2,1 |
A worked example
With the example inputs above, deductions by resident is 80, 40. Change the inputs to explore your own scenario.
| Result | Example answer |
|---|---|
| Deductions by resident | 80, 40 |
| Refunds by resident | 420, 460 |
| Total refunded | 880 |
How this is calculated
Deductions by resident
Normalize responsibility weights against total deductions.
Refunds by resident
Subtract assigned deductions from each original deposit.
Total refunded
Subtract all deductions from deposited total.
Symbols and units
- a
- Deposits contributed by resident
- b
- Total documented deductions
- c
- Agreed deduction responsibility weights
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
Deductions are allocated using agreed weights, not legal responsibility. Negative refund means the assigned deduction exceeds that resident’s deposit.
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?
Deductions by resident; Refunds by resident; Total refunded. 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: Deductions are allocated using agreed weights, not legal responsibility. Negative refund means the assigned deduction exceeds that resident’s deposit.
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: Solve proportions and their applications ↗
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.
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