HP 35s Games and Routines for Input, Sorting, and Randomization: Ruland, Frederick: 9798638736736: Amazon.com: Books
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Amazon | Tic-Tac-Toe for the HP 35s Scientific Calculator: what tic-tac-toe can demonstrate about game programming | Ruland, Frederick | Modeling & Simulation
Case Compatible with Texas Instruments TI-30XIIS Scientific Calculator, Travel Office Calculators Storage Holder Bag for HP-35s with Extra Mesh Pocket for Pens, USB Cables and Accessories - (Black) : Amazon.ae: Industrial &