EasyCalculation
easycalculation.comCalculators supported by formulas and learning references
Calculators supported by formulas and learning references
Software engineering through companies and working practices
Turn product usage into invoices with hosted or self-managed billing
Multi-entity accounting on the Microsoft Power Platform
Sales-tax calculations and filings with a team to manage the work
Multi-bank finance software with split spending and local data vaults
Peer-to-peer Bitcoin trading through desktop and mobile clients
Manage South African sales, invoices, stock and card payments
Accounting software and separate tax services for US startups
Embed Perl-compatible regular-expression matching in applications through a portable C library.
Plan development with work items, backlogs, sprint boards, queries, and cross-team delivery plans.
Collect, reconcile and pay through Australian payment networks
Connect payment acceptance with routing and platform services
Run Bitcoin validation locally with a full node and optional wallet
Structure team messages with nested channels, asynchronous discussions, and deep integrations.
Embed calendar connections, availability checks, and event writing in a software product.
Link team boards, backlogs, and roadmaps so cards follow work across groups.
Free envelope budgeting with local files and optional bank synchronization
Build a Bitcoin signer that exchanges transactions by QR code
Correlates logs, metrics, traces, and user-experience telemetry for application and infrastructure troubleshooting.
Self-hosted coin swaps with configurable offers and no protocol fee
Write text descriptions and render them as UML and other technical diagrams.
Indirect tax calculation and compliance connected to business systems