

🧮 Your sleek, reliable calculator companion for every hustle.
The Casio SL-300SV is a compact, durable desktop calculator featuring a large 8-digit display and dual power sources (solar plus battery backup) for uninterrupted use. Designed for both home and office, it offers basic math functions in a pocket-sized form factor protected by a hard cover, making it a trusted tool for everyday calculations with a proven 30-year track record.












| ASIN | B000UUQTKA |
| Batteries | 2 Product Specific batteries required. |
| Best Sellers Rank | #3,209 in Office Products ( See Top 100 in Office Products ) #11 in Basic Office Calculators |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,304) |
| Date First Available | August 7, 2007 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.01 ounces |
| Item model number | SL-300SV |
| Manufacturer | Casio |
| Product Dimensions | 4.63 x 2.75 x 0.28 inches |
S**U
Reliable and Affordable Basic Calculator
The Casio SL-300SV is a solid, no-frills calculator that gets the job done. It’s compact, lightweight, and easy to carry around, making it great for quick calculations at work or on the go. The dual power (solar with battery backup) ensures it works even in low-light conditions, which is a nice feature. The buttons are responsive, though they feel a bit small if you have larger hands. The display is clear, but the viewing angle isn’t the best—you may need to tilt it slightly for better visibility. It’s perfect for basic math, but if you need advanced functions, you’ll need a more specialized calculator. Overall, it’s a good value for the price, especially if you need a simple, reliable calculator for everyday use.
R**O
Great valvue, long lasting
This calculator has been my go to for 30 years. It's works well, good battery life, and very durable. It has a vinyl cover to protect the key, the screen easy thread with out glass, and keys hold up in a dusty shop. I use have used them it in a factory setting as well a wood shop. A Good product at a good price with a proven track record. Win win
T**S
Nice size very accurate easy to use calculator
This is the nicest little calculator. It looks expensive. The numbers are clear and easy to read.. The buttons are just right. I love the fact that it’s silver not black. I lose things like crazy so I bought a couple, but I love this one the most. I’ve been searching for it for a few days. I will find it. It’s very accurate. Great deal for the price free shipping. Yikes it’s great.
V**E
Good item
Performs as it should.
C**O
WORKS WELL
Works like it should. Handy size!
J**T
Simple, dependable calculator
It's hard to find basic calculators at a great price. Everyone wants to sell you advanced functionality that you'll probably never use. This has nice sized buttons and adding and subtracting as part of a continuous calculation is a snap. Love it.
M**D
Durable and sturdy
Perfect for my 7th grade students. These calculators are classic and sturdy!
A**Y
Good Deal
For the price they’re asking for, it’s a good deal.
R**O
Excelente
W**N
This is a good all round calculator which does what it says on the pack. It seems to be pretty well made and is functional and practical to use. It is ideal to uses for travels etc and can fit easily in your pocket.
A**Y
When I bought this in August of 2014, it was much cheaper. But honestly, I would still buy it again at this price because it is reliable and works perfectly. I've used this for many of my university exams and it has always worked fine! The program I'm in restricts us on the type of calculators we use, so no scientific, smaller than the size of your hand etc... so this calculator was perfect for me. I'm also paranoid that solar powered or battery powered calculators will die on me during an exam, so I love the dual power on this thing.
A**N
A cracking little calculator and absolutely perfect for me. The sleeve helps keep the keypad clean and protects it from accidental damage. I can chuck it into a drawer with all my other paraphernalia knowing it can't get scratched or squashed. Great value for money. I've had Casio calculators before and they've lasted for years. I love this one.
D**R
Great quality for the price. Highly recommend.
Trustpilot
5 days ago
2 weeks ago