52 real calculators in 10 categories

List of All 53 Unique Calculators in Separate Categories
1. Basic Calculators (6 models)
Calculators designed for everyday arithmetic, simple, and no-frills.
  • Casio SL-300SV
  • Sharp EL-243S
  • Canon LS-82Z
  • Citizen SDC-888X
  • Casio HL-820LV
  • Texas Instruments TI-1795 SV
2. Scientific Calculators (7 models)
Calculators for math/science, supporting trigonometry, fractions, exponents, and logarithms.
  • Casio fx-991EX Classwiz
  • TI-30X IIS
  • Sharp EL-W516X
  • HP 35s
  • Casio fx-115ES Plus
  • TI-36X Pro
  • Casio fx-991CW
3. Graphing Calculators (7 models)
Advanced calculators for plotting, calculus, matrices, and statistics.
  • TI-84 Plus CE
  • TI-Nspire CX II CAS
  • Casio fx-CG50
  • HP Prime G2
  • Casio fx-9750GIII
  • TI-89 Titanium
  • HP 50g
4. Financial Calculators (5 models)
Calculators for time value of money, amortization, IRR, ROI, and depreciation.
  • HP 12C
  • TI BA II Plus Professional
  • Casio FC-200V
  • HP 17bII+
  • HP 10bII+
5. Construction Calculators (5 models)
Calculators for measurements, right triangles, area, and feet-inch-fraction math.
  • Construction Master Pro (CI)
  • Construction Master 5
  • Calculated Industries Tradesman Calc
  • Bosch GCM Calculator
  • ProjectCalc Plus
6. Programmable Calculators (4 models)
Calculators supporting custom scripts, engineering, looping, and formula entry.
  • Casio fx-5800P
  • HP 41CX
  • HP 48GX
  • Sharp EL-5500 III
7. Programmer’s Calculators (2 models)
Calculators for base-n math, bitwise operations, logic gates, and hex/binary/octal.
  • HP 16C
  • TI Programmer
8. Printing Calculators (5 models)
Desktop calculators for receipts, auditing, and financial accuracy.
  • Canon MP11DX
  • Casio HR-100TM
  • Sharp EL-1801V
  • Victor 1460-4
  • Royal 410DX
9. Mechanical Calculators (5 models)
Pre-digital, historical, and collectible engineering marvels.
  • Curta Type I & II
  • Addiator
  • Comptometer
  • Marchant Calculators
  • Leibniz Wheel replicas
10. Specialty/Novelty Calculators (7 models)
Fashion, fun, retro, or miniaturized calculators, including watches and collectibles.
  • Casio CA-53W Calculator Watch
  • Casio CQ-1
  • Casio MG-880
  • Rado Calculator Ring
  • Transparent Solar Calculators
  • TI Little Professor
  • HP 19BII
Notes:
  • Category Assignments:
    • HP 35s: Assigned to Scientific (its primary use) rather than Programmable.
    • TI-89 Titanium: Assigned to Graphing (its primary strength) rather than Programmable.
    • HP 50g: Assigned to Graphing (its advanced graphing and CAS features) rather than Programmable.
    • Casio fx-991EX: Assigned to Scientific (its primary role) rather than Programmer’s.
    • Casio fx-5800P: Assigned to Programmable (its core strength) rather than Programmer’s.
    • Sharp EL-5500 III: Assigned to Programmable (its vintage BASIC programming focus) rather than Programmer’s.
    • HP 19BII: Assigned to Specialty/Novelty (described as vintage and collectible) rather than Financial.
  • Total Verification: The counts per category are 6 + 7 + 7 + 5 + 5 + 4 + 2 + 5 + 5 + 7 = 53 unique models, matching the previous total.
  • Exclusions: No models from the bonus section introduced new calculators; all were already accounted for in the main categories.
Final Answer:
The 53 unique calculator models are listed above, organized into 10 separate categories based on their primary functionality. Each model appears only once, and the categories are distinct with no overlap in model assignments. If you need further clarification or a different categorization approach, please let me know!

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