Casio FX-300ESPLSB Scientific Calculator
- Calculator Type: Engineering/Scientific
- Display Type: LCD
- Power Source: Battery
- Enclosure Material: Plastic
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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ASIN: B0G86YVH15Model: FX-300ESPLSB-BUCategory: Scientific Calculators
Overview
Casio's FX-300ESPLSB-BU scientific calculator shows formulas and results in natural textbook notation rather than a single line, aimed at middle and high school algebra and general math courses. It comes in blue with 262 built-in functions.
- Natural textbook display for formulas and results
- 262 built-in functions
- Blue color option
Pros and cons
- Default settings and logic take some getting used to, per at least one reviewer
- No graphing or programmable functions
Performance notes
The natural textbook display renders fractions, exponents and roots the way they appear on a printed page, which is the main practical difference from older single-line scientific calculators.
Specifications
| Brand | Casio |
|---|---|
| Model | FX-300ESPLSB-BU |
| Dimensions & fit | |
| Item Dimensions L X W | 7 × 3.5 inches |
| Power & efficiency | |
| Power Source | Battery |
| Construction & materials | |
| Enclosure Material | Plastic |
| Color | Blue |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Calculator Type | Engineering/Scientific |
| Display Type | LCD |
| Number Of Items | 1 |
| Mfr Part Number | FX-300ESPLSB-BU |
Frequently asked questions
What does the natural textbook display do?
It shows fractions, exponents and roots in the same layout a textbook uses, rather than compressing them into a single line of text.
Does this calculator take time to learn?
One reviewer noted the default settings and logic took some adjustment before it behaved as expected.