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Construclytic says its calculators use deterministic, versioned formulas and show the inputs and calculation trail behind each result. That makes it easier to see which method produced a quantity and to trace a saved calculation to the formula version used at the time. It does not make the result an engineering review, code-compliance decision, or guaranteed supplier order.
What a formula ID and version tell you
Construclytic describes its calculations as deterministic TypeScript arithmetic, rather than output generated by an LLM. Each published calculator identifies its formula with an ID and version. The ID names the calculation; the version distinguishes the published revision of that calculation.
The public registry shows this approach across multiple trade tools, including CONC-SLAB-001 v1.1.0 for concrete slab volume, ready-mix ordering, and bag equivalents; ROOF-SHINGLE-002 v2.0.0 for roof area and material quantities; and GEN-WASTE-001 v1.0.0 for material waste allowance. These are examples from a catalog that can change, so check the [calculator registry] for the version of a particular tool when you use it.
The company’s [methodology page] says that when a formula correction ships, its version changes and the changelog records it. The [changelog] associates reviewed calculator changes with formula IDs and versions so a saved calculation retains the version used when it was created. This provides a way to distinguish a past result from one produced by a later formula revision.
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What remains visible in a calculation
Construclytic says calculator results display the formula version, unit system, rounding rule, waste allowance, and purchase assumptions, alongside the inputs and calculation trail. The workflow it describes is “Measure. Estimate. Quote with the formula still on the sheet.” In practice, a tape measure may be one way to gather job dimensions; the calculator makes the entered assumptions and arithmetic easier to inspect.
The company says users enter their own rates rather than relying on live supplier prices. Its methodology also distinguishes material quantity from the other decisions in an estimate: labour, equipment, delivery, contingency, markup, discount, tax, exclusions, and final commercial terms are not silently included in the quantity calculation.
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Worked example: a concrete slab
Construclytic’s methodology page illustrates formula CONC-SLAB-001, version 1.1.0, with a slab measuring 20 × 12 ft and 4 in thick, plus 8% waste. The worked calculator output is 2.96 yd³ net volume and a ready-mix order rounded to 3.25 yd³ on a 0.25 yd³ increment. It also shows bag counts for 40-, 50-, 60-, and 80-lb bags.
Those figures are a worked example, not an independent measurement, industry benchmark, mix design, structural recommendation, or supplier quote. The page labels the output a planning quantity. Whether it is suitable for an order depends on field measurements and product and supplier requirements.
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What “internally tested” means—and what it does not
Construclytic’s methodology page states: “Construclytic uses versioned deterministic formulas internally tested by Feroz Shiekh.” It identifies Shiekh as the founder and says the internal check covers the formula ID, version, units, a worked example, and limitations.
That is the company’s description of its own quality checks, not an independent assessment. The page explicitly says independent third-party engineering review is not claimed. Internal testing should not be recast as certification, independent verification, or professional engineering sign-off.
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Why the result remains a planning quantity
A calculator can make arithmetic and assumptions visible, but it cannot establish that the inputs match site conditions or that a quantity is appropriate for every product and supplier. Construclytic says its tools do not determine structural design, code compliance, product compatibility, supplier availability, guaranteed pricing, or final scope. Treat the output as a planning aid and confirm the relevant field conditions, specifications, code requirements, and supplier ordering rules before acting on it.
For a calculator placed on another publisher’s site, Construclytic says the embedded version uses the same internally tested formula as its public calculator and exposes the formula ID, waste, and rounding. Its [publisher embed page] describes the embed as neither a live-price nor a payment widget.
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How to assess a calculator’s transparency
Construclytic reports 133 internally tested calculators across 13 trades on its homepage; catalog size can change. More useful than a count is whether a particular tool lets you check the basis of its result. For Construclytic, the company says the public calculator pages expose formula identity and version, inputs, units, waste, rounding, and purchase assumptions. Its changelog connects reviewed formula changes to IDs and versions, while its stated testing remains internal.
These are descriptions from Construclytic’s own pages, not comparative findings about other calculators. They provide a practical set of questions to ask of any construction calculator: Can you identify the formula and version? Are units, inputs, waste, and rounding clear? Can you trace revisions? Are rates live or user-entered? And does the tool explain where its planning role ends?
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