TuneCalc is an all-in-one Calculator and Math Solver built for professionals, students, shopkeepers, freelancers, small business owners and finance users.

It combines daily calculator functions, scientific tools, business calculations, financial math, calculation history, PDF/CSV export and a unique piano-style keypad sound experience in one clean app.

HOW TO USE TUNECALC

1. Standard Calculator
Open the Standard tab for normal daily calculations such as addition, subtraction, multiplication, division, percentage, memory and quick totals.

2. Scientific Calculator
Use the Scientific tab for advanced math functions such as square root, power, trigonometry, log, ln, factorial, mod and other scientific calculations.

3. Financial Calculator
Use the Financial tab for finance-related calculations such as PV, FV, PMT, interest, NPV, IRR and cash-flow style inputs.

4. Business Calculator
Open the Business tab to calculate GST, Sales Tax/VAT, Discount, Profit Margin, Markup, Simple Interest, Compound Interest, Invoice Total, Unit Conversion, Percentage Change and more business tools.

5. Solve Math
Tap Solve Math to type or paste a math problem directly. You can review or edit the expression, then tap Solve. It also includes helpful examples such as percentage, profit/loss, average, ratio and work calculations.

6. Currency Display
Tap Currency to choose your preferred display currency such as INR, USD, EUR, GBP, JPY, CNY, KRW, AED, SAR, AUD, CAD and SGD. This is for display in calculator inputs, business tools, reports and exports only. TuneCalc does not provide live exchange rates or currency conversion.

7. History
Tap History to view your recent calculations. If there is no saved calculation, the app will show “No history yet”. You can also clear history when needed.

8. Export PDF
Use Export PDF to save calculation logs or reports in PDF format for recordkeeping and review.

9. Export Kraketech Universal Ledger CSV
Use Export Kraketech Universal Ledger (CSV) to export calculation records in CSV format for spreadsheets, business records and ledger-style review.

10. Insights and Steps
Use Insights and Steps to review helpful calculation details, summaries and step-style explanations where available.

KEY FEATURES

• Standard and scientific calculator
• Business and financial math tools
• GST, VAT, sales tax and discount calculations
• Profit margin, markup and interest helpers
• Invoice total and percentage change tools
• Unit conversion and business statistics tools
• Solve Math with editable input and examples
• Piano-style keypad sound feedback
• Calculation history
• PDF export
• CSV ledger export
• Global display currency selection
• Clean dark interface
• Built for phones, tablets and foldable devices

TuneCalc is designed to make everyday calculations faster, clearer and easier for business and study use.

Whether you are calculating a bill, checking tax, preparing a quick business total, solving a math problem or exporting a calculation record, TuneCalc helps you keep everything simple and organised.

Download TuneCalc today by KRAKETECH LLP.

IMPORTANT NOTICE:
TuneCalc is a calculation assistance tool only. It does not provide financial services, banking, investment advice, tax advice, legal advice, accounting advice, medical advice, engineering advice or professional advice. Always verify important calculations before making financial, tax, legal, accounting, engineering, medical or business decisions.

KRAKETECH LLP

Additional Information