Invoice Mathematician in Tanzania Dar es Salaam –Free Word Template Download with AI
Professional Mathematician Consultation & Analytical Services
Issued in Tanzania Dar es Salaam, United Republic of Tanzania
INVOICE NO: TZ-DSM-MATH-2025-0472This Invoice is issued by the undersigned Mathematician, Dr. Amina J. Mwangi, in her capacity as a retained quantitative consultant to TANIDA. The services described below were performed in Tanzania Dar es Salaam between 1 March 2025 and 10 June 2025. The Mathematician provided advanced mathematical modelling, statistical analysis, and computational problem-solving directly related to the structural integrity assessment of the proposed coastal road expansion corridor in the Pwani Region.
| # | Service Description | Quantity | Rate (TZS) | Amount (TZS) | Date |
|---|---|---|---|---|---|
| 1 | Mathematician-led finite element analysis for bridge load-bearing calculations (Coastal Road Segment A, Dar es Salaam–Tanga corridor) | 48 hours | 250,000 | 12,000,000 | 01–15 Mar 2025 |
| 2 | Development of stochastic differential equations for soil erosion modelling along the Tanzania Dar es Salaam coastline | 32 hours | 250,000 | 8,000,000 | 16 Mar–05 Apr 2025 |
| 3 | Mathematician consultation and peer review of engineering design documents (on-site at TANIDA offices, Kariakoo, Tanzania Dar es Salaam) | 16 hours | 300,000 | 4,800,000 | 06–12 Apr 2025 |
| 4 | Optimization modelling (linear and non-linear programming) for traffic flow simulation on the expanded road network | 40 hours | 250,000 | 10,000,000 | 13 Apr–10 May 2025 |
| 5 | Preparation of final mathematical report, including derivations, proofs of convergence, and sensitivity analysis for the project committee | 24 hours | 275,000 | 6,600,000 | 11 May–10 Jun 2025 |
| 6 | Travel and accommodation expenses within Tanzania Dar es Salaam (field surveys at Mikochi and Kigamboni sites) | 6 days | 180,000 | 1,080,000 | Various |
| Subtotal | TZS 42,480,000 |
| VAT (18% – Tanzania Revenue Authority) | TZS 7,646,400 |
| Withholding Tax (5% – as per Tanzania tax law) | TZS (2,124,000) |
| Grand Total Due | TZS 47,002,800 |
Payment Instructions & Notes
Bank: National Bank of Commerce, Tanzania Dar es Salaam Main Branch
Account Name: Dr. Amina J. Mwangi – Mathematical Consulting Services
Account Number: 0102-3456-7890-12
SWIFT Code: NBOC TZ DX
Reference: Please quote Invoice No. TZ-DSM-MATH-2025-0472 on all payments.
Important: This Invoice must be settled within fifteen (15) calendar days of the issue date. Late payments shall attract a penalty of 2% per month as stipulated in the service agreement between the Mathematician and TANIDA. All calculations, models, and analytical deliverables referenced in this Invoice remain the intellectual property of the Mathematician unless otherwise stated in the master contract. The Mathematician confirms that all services were rendered in full compliance with the professional standards set by the Tanzania Mathematical Board and the Tanzania Engineering Council.
Authorized Signatory (Mathematician):
_______________________________
Dr. Amina J. Mwangi, Ph.D.
Senior Mathematician & Quantitative Analyst
Tanzania Dar es Salaam, 15 June 2025
⬇️ Download as DOCX Edit online as DOCXCreate your own Word template with our GoGPT AI prompt:
GoGPT