Why shop Mr. Pen?
- Small American Family Business
- Founded by Teachers in Louisiana
- We love our customers
Our story
Having firsthand experience teaching in at-risk schools in different parts of the United States, seeing the daily struggles of students and teachers, we, a few business-minded teachers, founded Mr. Pen with a simple purpose: serving the schools in our community by providing them with high quality and affordable school supplies and tools to help them in their efforts.
Top Selling Products
Mr. Pen Calculators
 Calculator |  Calculator |  Calculator |  Calculator |  Calculator |  Calculator |  Calculator | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Theme Color | Classic Black | Classic Black | Classic Black | Blue | Bubble Gum | Purple | Purple |
Type | Scientific | Scientific | Scientific | Basic Desktop | Basic Desktop | Basic Desktop | Basic Desktop |
Digits Display | 10 + 2 Digits | 10 + 2 Digits | 10 + 2 Digits | 12 Digits | 12 Digits | 10 Digits | 12 Digits |
Power Source | Solar + Battery | Solar + Battery | Battery | Solar + Battery | Battery | Battery | Solar + Battery |
Functions | Algebra, Trig, Stats | Algebra, Trig, Stats | Algebra, Trig, Stats | Basic Math | Basic Math | Basic Math | Basic Math |
Mr. Pen Calculators
Calculator |  Calculator | Calculator | Calculator | Calculator |  Calculator | Calculator |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Theme Color | ||||||
| Classic Black | Classic Black | Classic Black | Blue | Bubble Gum | Purple | Purple |
| Type | ||||||
| Scientific | Scientific | Scientific | Basic Desktop | Basic Desktop | Basic Desktop | Basic Desktop |
| Digits Display | ||||||
| 10 + 2 Digits | 10 + 2 Digits | 10 + 2 Digits | 12 Digits | 12 Digits | 10 Digits | 12 Digits |
| Power Source | ||||||
| Solar + Battery | Solar + Battery | Battery | Solar + Battery | Battery | Battery | Solar + Battery |
| Functions | ||||||
| Algebra, Trig, Stats | Algebra, Trig, Stats | Algebra, Trig, Stats | Basic Math | Basic Math | Basic Math | Basic Math |
Why shop Mr. Pen?
- Small American Family Business
- Founded by Teachers in Louisiana
- We love our customers
Our story
Having firsthand experience teaching in at-risk schools in different parts of the United States, seeing the daily struggles of students and teachers, we, a few business-minded teachers, founded Mr. Pen with a simple purpose: serving the schools in our community by providing them with high quality and affordable school supplies and tools to help them in their efforts.
Top Selling Products