Was a Unisonic 811+ sold recently?

No, this Unisonic 811+ did not sell.

How much did a Unisonic 811+ sell for?

This item did not sell. The vendor was asking for too much.

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Yes, Unisonic 811+ is made by Unisonic.

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1 of 9

Name: Unisonic 811+
Brand: Unisonic
SKU: 799247
Availability: InStock

Unisonic Calculator

Northridge, California, US

From listing #511253: Lot of 14 vintage calculators some hard to find models. HP, TI, Casio Untested

Vintage Unisonic 811+ calculator.

Bundle/Lot - 8 items in this listing

Olivetti LOGOS 9

National Semiconductor 850A

HP 20S Scientific

Hewlett-Packard Financial Calculator

Texas Instruments TI-5100

Rockwell Calculator

Unisonic 811+

Calculated Industries FINANCIAL 1

Item Details

Brand: Unisonic

Item Type: Computer Calculator

Cosmetic condition: Good - Moderate wear, normal for age

Functional condition: Untested - Not tested, unknown condition

Box

Manuals

Dust Cover

PSU

Cables

Accessories

Software

Based on 45 sold items, one should expect to pay ~$13 for a working unit. 35 others are also listed for sale.

Retro Computing Market Watch Database | 2026-07-24 13:33:36