[6-digits Diy Calculator Kit]elevate Your Soldering Skills With Electronic Project Kit, Designed To Help You Craft A Practical Desktop Calculator. The Big Size Of The Buttons Prevents You From Hitting The Wrong Button, With Parent Acrylic Shell, This Diy Calculator Kit Is The Ideal Companion For Both Studying And Working. [functions Features]:(1)usb Or Button Battery Powered For Greater Ease Of Operation(2)basic Arithmetic Operations, With Decimal Points And Negative Numbers. And It Can Be Calculated Continuously.(3)measure The Resistance Value Of The Four-ring Or Five-ring Resistance, Enter The Color Ring Colors In Order To Obtain The Resistance Value. This Is Designed To Help You Calculate Resistance Values Without Voltmeter, Ideal For Those Interested In Electronic Components. [school Learning Project]: After The Soldering Is Completed, You Will Get A Full Sense Of Accomplishment, Which Is The Charm And Fun Of Diy! This Diy Kit Not Only Enhances Your Soldering Skills But Also Deepens Your Fa