Dionis Ceban
Founder of CalculatorInvest
Dionis Ceban created CalculatorInvest to make historical market calculations, ROI analysis, CAGR, drawdown, DCA scenarios, and asset comparisons easier to access through browser-based tools.
- Founder of Dioartis Grup SRL
- 15+ years in web infrastructure
- Educational financial tools
- Browser-based calculators
Why CalculatorInvest Was Created
Most investment calculators are either too simple, too promotional, or disconnected from historical market data. CalculatorInvest was built to help users test historical scenarios, compare assets, understand return metrics, and explore long-term investment assumptions without creating an account.
Tools run in the browser where possible, with calculations based on published formulas and third-party market data. The platform is designed for learning and research—not personalized financial advice.
Founder Background
Experience
- Web infrastructure, hosting, VPS, dedicated servers, and online platforms
- Data-driven web projects and automation workflows
- Building browser-based tools for investors, students, and researchers
Current focus
- Historical ROI and CAGR calculators
- DCA and recurring investment scenarios
- Asset comparison and rankings
- Forecast simulations based on assumptions, not predictions
What CalculatorInvest Builds
Historical ROI calculators
Measure profit, loss, and return percentages using historical price data and user-defined date ranges.
CAGR & drawdown analysis
Explore annualized growth rates and peak-to-trough declines to understand long-term performance patterns.
DCA scenario tools
Model recurring contributions over time to compare dollar-cost averaging against lump-sum approaches.
Asset comparison & rankings
Compare multiple assets side by side and review ranked performance across selected time periods.
Trust & Editorial Principles
Transparent methodology
Formulas and calculation steps are documented so users can verify how results are produced.
Historical market data
Calculations rely on third-party price history, with sources and update practices described publicly.
Clear assumptions
Inputs, date ranges, and scenario parameters are shown so users understand what each result reflects.
No account required
Core calculators are available without registration, reducing friction for quick research and learning.
Educational use only
Tools are built for learning and scenario exploration, not for providing personalized investment recommendations.
Privacy-first tools
Calculations run in the browser where possible, without requiring users to share portfolio details.
Guiding principles
Transparency
Calculations should be understandable and easy to verify.
Accessibility
Useful tools should work directly in the browser without unnecessary barriers.
Education
Calculators should help users learn, compare, and test assumptions.
Responsibility
Results should be clearly presented as estimates, not financial advice.
Featured Tools
Projects
“I built CalculatorInvest to make investment analysis simpler, more transparent, and easier to explore.”
Business Information
- Operator
- CalculatorInvest is operated by Dioartis Grup SRL.
- Registration Number (IDNO)
- 1011600003727
- Registered Address
- Str. Calea Orheiului 109/3 ap.211, Chișinău, Moldova
- Jurisdiction
- Republic of Moldova
Educational Purpose
CalculatorInvest provides educational tools, historical return calculations, and scenario simulations. Results are estimates based on historical data, selected inputs, formulas, and assumptions. They should not be treated as financial, investment, tax, or legal advice.
Disclaimer · Methodology · Data Sources · Privacy Policy · Terms