Invoice Mathematician in Thailand Bangkok –Free Word Template Download with AI
Professional Mathematician Consulting Services
PAIDFrom (Service Provider)
Dr. Ananya Rattanakorn
Senior Mathematician & Quantitative Analyst
Quantum Mathematics Consulting Co., Ltd.
88/12 Sukhumvit Road, Soi 21
Khlong Toei Nuea, Watthana
Bangkok 10110, Thailand
Tax ID: 0-1055-48291-37-5
Email: [email protected]
Phone: +66 2 254 8891
Bill To (Client)
Thai Pacific Financial Group PCL
Attn: Mr. Somchai Wongsawat
Chief Risk Officer
120 Ratchadamri Road, Lumphini
Pathum Wan, Bangkok 10330
Thailand
Tax ID: 0-1055-67234-12-8
Email: [email protected]
Phone: +66 2 655 3400
| # | Description of Mathematician Services | Date | Hours | Rate (THB) | Amount (THB) |
|---|---|---|---|---|---|
| 1 | Advanced stochastic modeling and risk quantification analysis for derivative pricing frameworks. The Mathematician conducted a comprehensive review of the existing Monte Carlo simulation engine and proposed optimized numerical integration methods to reduce computational variance by 34%. | 02 Jun 2025 | 12.0 | 4,500 | 54,000.00 |
| 2 | Development of a novel partial differential equation (PDE) solver for multi-asset option pricing under stochastic volatility. The Mathematician delivered a complete mathematical proof of convergence and provided implementation documentation for the engineering team in Thailand Bangkok. | 05 Jun 2025 | 16.0 | 4,500 | 72,000.00 |
| 3 | On-site workshop and training session for the quantitative finance team. The Mathematician delivered a four-day intensive course covering advanced topics in measure-theoretic probability, martingale theory, and optimal stopping problems. Conducted at the client's headquarters in Thailand Bangkok. | 09–12 Jun 2025 | 32.0 | 5,200 | 166,400.00 |
| 4 | Peer review and mathematical validation of the client's credit risk VaR model. The Mathematician identified three critical assumptions in the copula structure and provided corrected formulations with rigorous proof of the revised dependency framework. | 13 Jun 2025 | 8.0 | 4,500 | 36,000.00 |
| 5 | Preparation of a formal mathematical white paper on high-frequency trading signal optimization using spectral analysis and wavelet transforms. This document was prepared specifically for the client's regulatory submission to the Securities and Exchange Commission of Thailand (SEC) in Bangkok. | 14 Jun 2025 | 10.0 | 4,500 | 45,000.00 |
| Subtotal | 373,400.00 THB |
| VAT (7% – Thailand) | 26,138.00 THB |
| Withholding Tax (1% – Thailand) | (3,734.00) THB |
| Grand Total Due | 395,804.00 THB |
Payment Instructions
Bank: Siam Commercial Bank (SCB)
Account Name: Quantum Mathematics Consulting Co., Ltd.
Account No.: 012-3-45678-9
SWIFT Code: SIBLTHB0XXX
Reference: Please cite Invoice No. TBM-2025-04782 in all payment communications.
Payment Method: Bank Transfer (THB) or International Wire (USD equivalent at prevailing rate)
Overdue Penalty: 1.5% per month on outstanding balance as per Thai Commercial Code.
Important Notes & Terms
1. This Invoice is issued in accordance with the Service Agreement dated 1 January 2025 between Quantum Mathematics Consulting Co., Ltd. and Thai Pacific Financial Group PCL, both registered in Thailand Bangkok.
2. All mathematical deliverables, proofs, code, and documentation provided by the Mathematician remain the intellectual property of the service provider unless explicitly stated otherwise in the master agreement.
3. The Mathematician's services were performed in full compliance with the Thai Revenue Code and all applicable regulations of the Department of Business Development, Ministry of Commerce, Thailand.
4. This Invoice is valid for 90 days from the issue date. Payment must be received no later than the stated due date to avoid late-payment penalties as governed by Thai commercial law.
5. Any disputes arising from this Invoice shall be resolved through arbitration in Bangkok, Thailand, under the rules of the Thai Arbitration Institute.
6. The Mathematician confirms that all numerical results, mathematical proofs, and analytical models delivered under this engagement have been independently verified and are accurate to within the stated tolerances.
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