Best calculators under $100
Researched by Deal.ai's shopping agent across stores on November 1, 2026. Prices below are today's.
Top pick: Texas Instruments TI-84 Evo — the graphing calculator to buy if you need one for school or exams: color screen, plenty of memory, and the TI-84 family is what most math and science courses expect.
Who the others suit:
- Casio fx-9750GIII — a cheaper graphing route, with MicroPython built in for coding work.
- Casio ClassWiz fx-991CW — the best all-round scientific for engineering and stats; no graphing.
- Sharp EL531XT — a light, cheap scientific for everyday classwork.
- HP 12C — finance and business students; RPN keypad.
- Canon HS1200TS / Amazon Basics desktop — office and home desk arithmetic.
- Franklin Scientific — a basic budget scientific.
The picks
- #1
Texas Instruments TI-84 Evo
- Screen size: 320 x 240 pixels (2.8" diagonal)
- Screen resolution: 140 DPI; 16-bit color
- Flash memory: 3.5 MB FLASH ROM
- #2
Casio fx-9750GIII
- Display resolution: 64 x 128 pixel
- Flash memory: 3MB Flash ROM
- Programming language: MicroPython
