Calculator
Rehearse key flows with visible profile, angle, display, payment timing, and TVM state.
Financial calculator · release candidate
Calculation you can retrace.
Practice financial calculator key flows, inspect the settings behind every result, and reopen the exact session later. The core experience works offline and keeps calculation data on your device.
- Offline-first core
- English + 한국어
- iPhone, iPad, and Android
- No ads or account in paid v1
One session, four ways to learn.
The keypad, worksheets, Coach, and History do not create competing copies of your calculation. They expose the same state from the view that helps you move forward.
Worksheets
Edit structured financial inputs and generated schedules without leaving the active calculation.
Coach
Follow accepted key paths, diagnose setup mistakes, and practice without silent correction.
History + Audit
Search, replay, and restore a result together with the commands and settings that produced it.
Your calculations stay yours.
The paid v1 candidate has no account, advertising, analytics, remote crash reporting, or cloud calculation storage. Copy, share, and export happen only when you request them.
Read the complete privacy policyIndependent by design.
The app uses original interface, icon, lesson, and problem designs. It is a study and calculation tool published by Gorae Labs and is not official, endorsed, or affiliated with a calculator manufacturer, exam body, or financial institution.