Tanzhang Surplus Calculator
Know a market event’s surplus after sold-item costs, losses and expenses.
Free CNY event surplus calculator for market stalls: sales, sold-item costs, losses and event expenses.
Free CNY event surplus calculator with a hypothetical sample
Overview
What is Tanzhang Surplus Calculator?
Know a market event’s surplus after sold-item costs, losses and expenses.
Tanzhang is a free Chinese/English calculator for one CNY market-stall event, without signup. Enter customer payments after discounts but before refunds or processing fees. Enter refunds separately and fees under expenses. Per-item stock counts, sold-item costs and unsellable losses produce operating surplus and item contribution; the result is not cash flow, full profit or tax accounting. The examples are hypothetical.
The free page includes CSV reports, JSON backup/import, a browser draft and a single-file HTML copy. Actual HTML download and desktop local-file opening have been tested with the machine connected to the network. Disconnected-network use, mainland browsers and physical phones remain unverified. There is no cross-event inventory, payment processing or currency conversion.
An optional Chinese XLSX workbook costs CNY19.90 once. Paid v2 accepts inputs smaller than one cent; its precision-guard revision is not deployed. Use whole-cent monetary inputs. WPS testing has the documented scope; Excel and physical-phone workbook compatibility and the real first payment-to-auto-message delivery are unverified. Some mainland HTTP probes failed; Singapore probes returned HTTP 200, which does not prove browser access or successful purchase. Check https://tanzhang-delivery.the-fake-architect-studio.workers.dev/ before paying; do not pay if it does not open. Withdrawal of an old public v1 copy has not been confirmed. Submitted by Tanzhang.
Platforms and languages
Tanzhang Surplus Calculator Availability
Platforms
Languages
Capabilities
Tanzhang Surplus Calculator Key Features
Single-event operating surplus
Enter customer payments after discounts, before refunds or processing fees. Enter refunds separately and fees under expenses. Stock counts, sold-item costs and losses give a CNY single-event operating-surplus estimate, not cash flow, full profit or tax accounting.
Free reports, backup and browser draft
Free Chinese/English page with per-item stock and cost inputs, item contribution, CSV reports, JSON backup/import and a browser draft. A single-file HTML copy is available. Desktop local-file opening was tested while connected; use with the network disconnected and on mainland browsers or physical phones remains unverified. No cross-event inventory or currency conversion.
Refund and return learning example
A free Chinese tutorial separates cash refunds from resalable returns using clearly hypothetical numbers. Reported mainland access restrictions are disclosed; availability can vary by network. No workbook purchase is required.
Plans and access
Tanzhang Surplus Calculator Pricing
Freemium
The browser calculator, CSV/JSON tools and single-file HTML are free without signup or purchase. An optional Chinese XLSX workbook costs CNY19.90 once on Afdian. Paid v2 accepts inputs smaller than one cent; its precision-guard revision is private and not deployed. Use whole-cent monetary inputs. WPS testing has the documented scope; Excel and physical-phone compatibility remain unverified. Before paying, check the claim landing page at https://tanzhang-delivery.the-fake-architect-studio.workers.dev/ ; do not pay if it does not open. Mainland HTTP probes have failed on tested paths; this is not a domestic-browser test. The real first payment-to-auto-message delivery is unverified. Withdrawal of an old public v1 copy has not been confirmed.
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