TuneCalc — Business Calculator & Math Solver
Launch-safe user guide for TuneCalc: standard calculator, scientific and financial tools, Business tools, typed/pasted Solve Math, exports, ads, Do-Re-Mi sound controls, and troubleshooting.
Documentation index
Launch note: The current Play Store readiness version focuses on typed/pasted calculations, business calculators, financial/scientific tools, exports, and optional sound controls.
1. Quick start
- Open TuneCalc.
- Select the required tab: Standard, Scientific, Financial, Business, or Solve Math.
- Enter numbers, formulas, or a typed/pasted math problem.
- Tap the calculate button or Solve.
- Review the answer and steps before using the result.
TuneCalc helps with calculations, but users should verify important results before using them for business, financial, academic, or professional decisions.
2. Current feature scope
Standard calculator
Everyday arithmetic with memory actions and clean mobile-first layout.
Scientific tools
Common scientific functions including powers, roots, trigonometry, logarithms, factorial, and related calculations.
Financial tools
Support for interest, present/future value style inputs, cash-flow style labels, and related quick calculations.
Business tools
GST, EMI, profit/loss, discount, percentage, ROI, markup, commission, and other business helpers where available.
Solve Math
Type or paste arithmetic, aptitude, percentage, profit/loss, average, ratio, work-time, and supported calculus-lite expressions.
Exports
PDF and CSV export support for supported calculations and reports.
3. Solve Math
Use Solve Math for typed or pasted problems. Examples include:
- 18% of 1250
- average of 10,20,30
- cost price 100 selling price 120
- ratio 2:3 total 100
- sin(30)+cos(60)+tan(45)
Unsupported syntax is handled safely. Review answers before using them.
4. Business calculators
Business tools help calculate GST, discounts, profit, margin, markup, EMI, interest, invoice totals, ROI, break-even, commission, and other supported business values. These tools are calculation helpers and not tax, accounting, or financial advice.
5. PDF / CSV exports
TuneCalc may support PDF and CSV exports for supported calculations. CSV may include Kraketech Universal Ledger™ style export labels where available.
- Review values before exporting.
- Keep exported files safe if they include business numbers.
- Do not treat an export as an audited financial report.
6. Do-Re-Mi piano & sound control
TuneCalc includes a musical keypad interaction: number keys may be mapped to Do-Re-Mi style piano tones such as Do, Re, Mi, Fa, So, La, and Ti.
Sound feedback is optional. Users can turn off piano sounds or voice/sound feedback from the app controls where available.
this is special entertainment feature - (Piano Version). it's an interaction comfort.. It does not affect calculation accuracy.
7. Ads and rewarded unlocks
TuneCalc may display Google AdMob ads. Rewarded ads may be used for optional unlocks such as Business Pro tools or export actions.
- Users choose whether to watch a rewarded ad.
- Rewards are granted only after the ad flow completes successfully.
- Ad availability depends on Google AdMob and network conditions.
8. FAQ and support
Can I turn off calculator sounds?
Yes, TuneCalc is designed so sound feedback such as piano tones can be turned off where sound controls are available.
Can I rely on TuneCalc for tax or accounting decisions?
No. TuneCalc helps calculate values, but it is not professional advice. Verify important results with a qualified person or official source.
Need help?
Contact KRAKETECH LLP at info@kraketech.com. Include app version, Android version, device model, and the issue details.