Up for sale is a stunning piece of mid-70s computing history: the Prinztronic SR99P Pocket Electronic Calculator. Manufactured in Japan in 1975, this model is a fantastic example of early personal electronics, featuring distinctive asymmetric rounded corners and brushed metal styling.

The standout feature of this calculator is undoubtedly its Vacuum Fluorescent Display (VFD). The bright green digits appear to float in an endless black void, a mesmerizing glowing effect that modern LCD screens just can't replicate. Photos truly don't do it justice—it’s crisp, retro, and beautiful.

Condition:

• Functional: Excellent working condition. All keys are responsive and the display is bright and clear.
• Accessories: Comes complete with the original leather case and instruction manual.

Technical Specifications:

• Year: 1975
• Origin: Made in Japan
• Chipset: NEC uPD940C Main Integrated Circuit
• Display: 8-digit Green VFD (Vacuum Fluorescent Display)
• Logic: Algebraic
• Functions: 8 functions (including square root and percentage), 22 keys.
• Power: 2x AA Batteries (not included).
• Dimensions: 78 mm x 123 mm x 24 mm.

This is a must-have for vintage electronics collectors, math enthusiasts, or fans of retro Japanese design.