# Lawyer's Calculator

> Complex legal calculations in a few deliberate taps

Handle litigation deadlines, multi-rate damages, lost earnings, inheritance shares and court costs in workflows shaped for legal practice.

- Developer: CommonSource
- Category: Productivity
- Platforms: iOS, Android
- Minimum iOS: 15.6
- Official product page: https://commonsourcelab.com/en/apps/lawyers-calculator

## Key experiences

### Calculate a legal period, not merely dates on a calendar.

Apply statutory first-day exclusion and holiday-expiry rules to calculate start, end and duration, with the governing basis and result kept together for review.

- A calculation showing start date, expiry and legal duration together

### Keep changing rates inside one transparent formula.

Enter principal and successive rate periods to calculate interest by segment and in total. Cases with statutory-rate changes remain traceable from inputs to formula.

- Interest calculation showing principal, rates, periods and formula

### Place complex family shares beside the law behind them.

Enter family relationships to calculate statutory shares and inheritance tax, then open the relevant law and precedent beside the tool. Results support professional review and should be checked before use.

- Inheritance shares calculated from family structure and deductions
- Help that exposes the statutes and precedents behind a calculation

## Essential features

- **Deadline and period calculation**: Calculate forward or backward with first-day exclusion and holiday rules reflected in the result.
- **Multi-period interest and damages**: Add multiple rate periods and receive transparent formulas ready to transfer into working documents.
- **Inheritance, costs and lost earnings**: Work with Hoffman and Leibniz factors, statutory inheritance structures, filing fees and service costs.

## Made for

- Attorneys, judicial scriveners and law-firm staff
- Court professionals validating deadlines and amounts
- Law students preparing practical records and case exercises

## Privacy and notes

This is a professional aid; current law and case-specific conditions must be verified before filing or advice.

## Frequently asked questions

### Which calculations are covered?

Eight calculators covering litigation deadlines, multi-rate damages, lost earnings, statutory inheritance shares, filing fees and service costs.

### Can it handle rates that change mid-period?

Add as many rate periods as the case needs; formulas and totals are laid out for transfer into working documents.

### Can I rely on the result as-is?

It is a professional aid. Current law and case-specific conditions must be verified before filing or advising.

## Download

- [App Store](https://apps.apple.com/us/app/%EB%B3%80%ED%98%B8%EC%82%AC-%EA%B3%84%EC%82%B0%EA%B8%B0/id6739842840)
- [Google Play](https://play.google.com/store/apps/details?id=com.commonsourcelab.lawyerscalculator)