Used: Pocket calculators

TI 30X Pro MathPrint

Battery operated, Solar panel

TI Nspire CX II-T CAS

Rechargeable battery operated

TI 30X Plus MathPrint

Battery operated, Solar panel

TI 30 Eco Rs

Solar panel

TI 30xiis

Battery operated, Solar panel

TI BA II Plus Professional

Battery operated

HP Prime G2

Rechargeable battery operated

TI BA II Plus

Battery operated

TI 34 MultiView

Battery operated, Solar panel

Casio Fx-991de X

Battery operated, Solar panel

TI Scientific Calculator

Battery operated, Solar panel

TI little professor

Solar panel

Casio FX-85ES Plus 2nd Edition

Battery operated, Solar panel

Casio FX991ES Plus 2nd edition

Battery operated, Solar panel

Canon Ws-1210t

Battery operated, Solar panel