Macabacus

Macabacus is an AI spreadsheet generator tool. Macabacus AI brings content review, writing assistance and formula generation into Excel, PowerPoint and Word for finance teams. Deck Check AIR audits slides, AIWA writes and translates on-brand text, and Formulate replaces hardcoded values with formulas.

Macabacus AI is a set of add-in tools for finance professionals who spend their day inside Excel, PowerPoint and Word. Instead of a standalone chatbot, the AI is embedded in the applications where models and pitch decks are actually built. The suite covers three distinct jobs: reviewing presentation content, assisting written work, and converting hardcoded numbers in spreadsheets into live formulas. Everything is aimed at investment banking, corporate development, FP&A, accounting and valuation work, where small errors in a model or a slide carry real professional cost. Deck Check AIR scans a presentation in one click and flags contextual inconsistencies, miscalculations and mistaken references across slides. It is not a generic spell checker: the review is tuned for financial decks, so it looks for the kinds of mistakes that undermine credibility in front of a client or an investment committee. The AI Writing Assistant (AIWA) works in PowerPoint and Word, handling summarising, elaboration, rephrasing, proofreading and translation. Its output is aligned with brand voice and language rules stored in the Corporate Dictionary, which means terminology stays consistent with firm-approved usage rather than defaulting to generic model phrasing. Formulate addresses a familiar modelling problem: values pasted or typed into cells where a formula should live. The tool generates the formulas to replace those hardcoded inputs, which reduces manual rework and the errors that creep in when a spreadsheet is edited under time pressure. The homepage notes that Formulate is currently available in Macabacus Lite for Excel, so the feature set depends on which edition is installed. The product is delivered as an add-in, not a web dashboard, and the homepage does not list pricing tiers, integration partners or support channels. For analysts and finance teams already working in the Microsoft stack, the pitch is speed and accuracy inside familiar files rather than another tab to manage. Buyers evaluating standalone AI writing tools should weigh that against the narrower, finance-specific scope here.