Complete Boxed Collector’s Bundle – Expertly Bench-Tested, Deep-Cleaned & 100% Fully Functional
This is a premium, collector-grade, boxed vintage setup that has undergone meticulous hardware verification and preventative maintenance. Unlike "untested" or "turns on" listings, this bundle has been fully broken down, chemically treated for long-term preservation, and mathematically benchmarked.
Restorations & Chemical Preservation Performed
Plastic & Casing Restoration: Every inch of plastic casing on both the TI-59, the PC-100A base,Master library wallet and charger have been thoroughly detailed and polished using Novus No. 1 Plastic Clean & Shine. It is completely clean and smooth with no heavy grime or dust.
Electrical Contact Optimization: All battery contacts, terminal bays, and the docking port pins have been treated with premium DeoxIT D100L contact cleaner. This completely strips away decades of invisible oxidation, ensuring a flawless, zero-resistance electrical connection between the calculator, battery compartment, and cradle.
Rigorous Hardware & Logic Bench-Test ResultsThe Math Brain (ALU): Fully verified. The processor flawlessly computes transcendental precision algorithms (Sine, Cosine, and Tangent to precise factory standards) and correctly structures Algebraic Operating System (AOS) hierarchical logic loops.
RAM Register Matrix: Repartitioned and spot-tested down the hardware line up to the keyboard data entry ceiling (Register 89). All sequential user registers successfully store and recall digits without memory drop or display flashing.
ROM Software Module Slot: The rear expansion bay is perfectly clean. The included Master Library Module 1 chip successfully ran its internal factory diagnostic sequence (Pgm 01 SBR =), verifying complete communication with the calculator.
User Program Memory: Tested using custom macros inside the LRN space, confirming the button matrix can compile and assign executable instructions to the top row A-B-C-D-E keys.
PC-100A Thermal Printer & Card Reader Assessment
Continuous Printing Passed: The thermal print head is active and strong. A continuous diagnostics test (printing the maximum 959 program step map onto the paper roll) was completed successfully, showing consistent paper advancement, zero jams, and dark, readable thermal lines.
PC-100A battery charger compartment: measures at a healthy 11.22V offload.
Magnetic Card Reader: The drive motor runs strong and successfully reads/writes program code directly to magnetic strips. Collector's Transparency Note: The card requires a gentle, physical manual tug to slide free from the exit slot at the end of a cycle. This means the 45-year-old original rubber drive roller is showing standard early signs of aging and is slightly pinching the card track. It is 100% operational right now, but a roller wheel service is recommended in the future for heavy daily use.
Texas Instruments TI-59 Programmable Calculator (Includes original battery door cover).
Note: Battery pack is NOT included. Upgraded modern replacement batteries are readily available from multiple sellers on eBay.
Original Retail Box Condition: The factory box is structurally sturdy and retains its original shape well, complete with the matching protective internal inserts. Visually, it shows typical vintage shelf wear, including edge scuffing and some original masking tape on the front face alongside areas of surface paper tearing and peeling (see photos). It has been left completely as-is to preserve the cardboard fibers and historical integrity.
TI-59 Calculator ConditionOverall: Great vintage aesthetic shape and very clean.
Screen: Has some light surface scratching on the display window.
Chassis: Shows minor scratching and light wear on the front faceplate.
Keys: Crisp, bright lettering with no fading
TI 59 soft case: it is in good, used condition with light surface wear consistent with age, retaining a clean and attractive appearance.
PC-100A Cradle: In great structural condition with absolutely no dents, cracks, or broken plastic. It does show some cosmetic yellowing/aging on the exterior plastic shell, which is very common for electronic items of this era.
What’s Included in the Box
Texas Instruments TI-59 Programmable Calculator
Texas Instruments PC-100A Thermal Printer & Security CradleOne (1) Original Security Key (critical for locking/unlocking the calculator securely into the dock)
Original Vinyl Dust Cover (cleaned)
Original Cardboard Box with Protective Foam Inserts
Master Library wallet with 1 Chip, complete ML cards, 8 blank cards and 3 unwritten on magnetic program cards
To 59 case (cleaned)
Package of original Texas Instruments thermal paper
Meter tested and cleaned TI 59 charger