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kallvins

Kay Doubleoh — 🇵🇭
Just a random person (student) who has a small interest in aviation (mainly due to travels), video games, indie things, and... *sigh* calculators.
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Collection Calculators Accessories Sets

Quick facts:

  • Count: 4 graphing calculators (4 distinct models) View collection picture
  • Total weight: ≈ 1 kg / 2.2 lbs.
  • By series: 2x Casio, 1x TI, 1x HP
  • Oldest calculator: a Casio fx-9860GII SD 'SH4' manufactured in June 2017
  • Newest calculator: a Casio fx-9750GIII manufactured in June 2020
  • Achievements:
    • Total earned: 3 achievements


Model Factory Datecode HW Rev. Serial number Software version(s) Physical condition Extras Acquisition date Pic Comment
Casio fx-9750GIII
838BC068A087550 OS: 03.70.3200 / DateO: 2023.0207.0238 / DateA: 2019.0318.1507 Good 2024-09 Bought second-hand. First graphing calculator.
Casio fx-9860GII SD 'SH4'
497AW76KA213564 OS: 02.11.0201 / DateO: 2020.0910.1404 / DateA: 2011.0525.1010 Good 2024-11 Bought second-hand.
TI-Nspire CX Recond
N 1018 AE 3869004616 OS: 4.5.5.79 / Boot1: 4.0.1.43 / Boot2: 4.5.0.14 Good 2025-04 Bought second-hand. Used for notes-taking.
HP Prime (G2)
D 9CJ21600N1 OS: 2.3.1 / SW Build: 2025-01-31 / SW Rev: 15270 New Manual(s) 2025-06 Bought second-hand. Used for Python experimentation and notes-taking.