Penny Rounding
com.gumballtools/penny-rounding
Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.
This endpoint completed initialize and tools/list. No tool was called.
- Rank
- #4180
- Score
- 81
- Tool tokens
- 1,963
- Tools
- 3
Tools
Token cost is the o200k count of the tools list JSON, including schemas, before any tool is called.
round_cash_total
Settle a transaction under post-penny cash rounding: exact subtotal, tax on the exact subtotal, then round the final total to the nearest nickel — and only for cash. Use this for any "what does X rou
rounding_impact
Compute what cash rounding is actually worth across a list of prices: mean delta per transaction, the up/down/unchanged split, and a per-thousand figure. Use this whenever someone asks whether roundi
price_band
For a list price and a tax rate, find every nearby list price that settles to the SAME cash total, and the highest one. Use this for "what price should I charge" and "can I price to gain from roundin
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