DUPOTA Brand Story
Your Partner in Wisdom, Your Assistant in Precision.
DUPOTA, a leading calculator brand, delivers exceptional precision and innovative design to meet the diverse needs of our global customers. Our products are engineered for excellence, offering a user-friendly experience that makes complex calculations simple and accessible. With DUPOTA, every calculation is a testament to our commitment to accuracy and intelligence.
Scientific Calculator
Scientific Calculator
Desktop Calculator
Desktop Calculator
hero-video
Merchant Video
Calculator with Tax Function
With simple inputs and selections, you can get the results you need, making it easy for those unfamiliar with tax calculations to get started.
Directional Quick Find Design
When performing complex calculations, the directional buttons make it easy to review and compare different data to analyse problems more effectively.
Solar & Battery Dual Power
Large desk calculator dual power design can meet your needs in different scenarios, and another empty slot can accommodate a backup battery.
Fixed 30° Ergonomic Design
When using a basic calculator, you can observe and operate the interface more naturally, reducing visual fatigue caused by prolonged use.
DUPOTA Desktop Calculator With Tax Function & Scientific Calculator
 OA-608 Big Calculator |  OA-635 Desk Calculator |  991ES PLUS Calculator |  991EX PLUS Calculator | |
|---|---|---|---|---|
Customer Reviews | — | — | — | — |
Price | — | — | — | — |
Function | with Tax and Check Function | with Tax and Check Function | 417 Function | 552 Function |
Display Size | 5.11 x 1.37 inches | 4.13 x 0.91 inches | 2.36 x 0.95 inches | 2.36 x 0.95 inches |
Solar and Battery Dual Power | Yes | Yes | Yes | Yes |
OFF Button | Auto-OFF | Auto-OFF | "Shift+AC" & Auto-OFF | "Shift+AC" & Auto-OFF |
Dimensions | 7.87 x 5.83 x 1.65 inches | 6.42 x 4.92 x 1.54 inches | 6.49 x 3.15 x 0.6 inches | 6.49 x 3.15 x 0.6 inches |
Weight | 9.35oz (265g) | 5.3oz (151g) | 4.4oz (125g) | 4.4oz (125g) |
hero-video
Merchant Video
Calculator with Tax Function
With simple inputs and selections, you can get the results you need, making it easy for those unfamiliar with tax calculations to get started.
Directional Quick Find Design
When performing complex calculations, the directional buttons make it easy to review and compare different data to analyse problems more effectively.
Solar & Battery Dual Power
Large desk calculator dual power design can meet your needs in different scenarios, and another empty slot can accommodate a backup battery.
Fixed 30° Ergonomic Design
When using a basic calculator, you can observe and operate the interface more naturally, reducing visual fatigue caused by prolonged use.
DUPOTA Desktop Calculator With Tax Function & Scientific Calculator
OA-608 Big Calculator | OA-635 Desk Calculator | 991ES PLUS Calculator | 991EX PLUS Calculator |
|---|---|---|---|
| Customer Reviews | |||
| — | — | — | — |
| Price | |||
| — | — | — | — |
| Function | |||
| with Tax and Check Function | with Tax and Check Function | 417 Function | 552 Function |
| Display Size | |||
| 5.11 x 1.37 inches | 4.13 x 0.91 inches | 2.36 x 0.95 inches | 2.36 x 0.95 inches |
| Solar and Battery Dual Power | |||
| Yes | Yes | Yes | Yes |
| OFF Button | |||
| Auto-OFF | Auto-OFF | "Shift+AC" & Auto-OFF | "Shift+AC" & Auto-OFF |
| Dimensions | |||
| 7.87 x 5.83 x 1.65 inches | 6.42 x 4.92 x 1.54 inches | 6.49 x 3.15 x 0.6 inches | 6.49 x 3.15 x 0.6 inches |
| Weight | |||
| 9.35oz (265g) | 5.3oz (151g) | 4.4oz (125g) | 4.4oz (125g) |
DUPOTA Brand Story
Your Partner in Wisdom, Your Assistant in Precision.
DUPOTA, a leading calculator brand, delivers exceptional precision and innovative design to meet the diverse needs of our global customers. Our products are engineered for excellence, offering a user-friendly experience that makes complex calculations simple and accessible. With DUPOTA, every calculation is a testament to our commitment to accuracy and intelligence.
Scientific Calculator
Scientific Calculator
Desktop Calculator
Desktop Calculator