This multi-functional handwriting calculator features a bright screen and an elegant, slim, and portable design that reflects a pursuit of style. The 12-digit widescreen display provides clear readings, making it a great office assistant. The durable plastic buttons remain clearly legible even after prolonged use, and the pen can withstand over 100,000 write cycles for comfortable handwriting. It is backlight-free and blue light-free. The comfortable grip reduces fatigue, allowing for greater focus during drawing.
Dual power supply options: Solar power / Button battery power
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Large screen display: One-click clear
Built-in calculator: Spare pen