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Slim silver handheld calculator with large 8-digit LCD display and solar panel above keys

CASIO

CASIO SL-300SV 8-Digit Solar Calculator

SKU CH-ECED-68ZTN MPN SL-300SV

Eight-digit solar calculator with large display, independent memory and battery backup

  • Product typeCalculators & Accessories
  • Key features8-Digit Display Large easy-to-read Solar Plus Profit margin
  • Size details0.28 in × 2.75 in × 4.63 in
  • Pack quantity1 each
  • DetailsDISPLAY Type: Big Display Digits: 8 POWER Battery: LR54 (LR1
  • Large 8-digit display for easy reading
  • Solar Plus power with battery backup for reliable operation
  • Independent memory stores values for repeated calculations
  • Profit margin and constant functions simplify business math
  • Compact 0.28" x 2.75" x 4.63" size fits pocket or bag

Purpose and audience

The Casio SL-300SV is an 8-digit handheld calculator built for elementary maths at home, in the office or while travelling. Its large, easy-to-read LCD shows up to 16-digit approximations for longer results. Independent memory and constant keys for addition, subtraction, multiplication and division speed up repetitive tasks. A profit-margin percent key and square-foot function cover basic business needs.

Installation and pitfalls

No set-up is required beyond pulling the insulating tab from the LR54 (LR1130) backup cell. The Solar Plus system powers the unit from ambient light and switches to the battery automatically in dim conditions. The only common issue is a faded display when both the solar cell is shaded and the backup cell is exhausted; replacing the LR54 restores operation. The slim 0.28" profile slides into a pocket but offers no protection against heavy pressure.

Deciding specification

The defining figure is the 8-digit display capacity, which limits the maximum visible entry and result to eight characters. Calculations that exceed this length are shown as 16-digit approximations rather than full precision. Buyers who need more visible digits or scientific functions such as trigonometry or statistics should choose a different model.

How it compares

Measured against everything we stock in Calculators & Classroom Supplies, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 75% of the 1,255 comparable items (median $25.99).

Specifications

Product
Brand nameCasio
Model nameSL-300SV
Product typeCalculators & Accessories
Size & build
Size details0.28 in × 2.75 in × 4.63 in
Shipping weight0.10 kg
Package size159 × 140 × 13 mm
In the box
Pack quantity1 each

Questions about this item

How can I verify the calculator is working correctly after I take it out of the package?

Turn it on in a lit area; the large 8-digit display should show zero, then press the ON/C key and enter a simple calculation to confirm the result appears clearly.

What comes in the box and is anything else needed to start using it?

The unit includes the calculator with a pre-installed LR54 battery and solar cell; no separate purchase is required for basic operation.

There is only the SL-300SV model listed, so how do I choose the right version?

This single model provides an 8-digit display with independent memory, constant keys and Solar Plus backup, covering standard home and travel calculation needs.

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