使用科学计算器键盘将计算输入指令栏. [br][br]您的计算将被编号并显示在指令栏上方的行中.[br][br]可通过在适当的行内点击, 来更改计算的输入.[br][br][b]注意:[/b] 如果输入不完整或不正确, [img width=23,height=20]https://lh5.googleusercontent.com/F5nO_zEQagoZSZzGDgkGgC8R7pMXP1IzLff_JPyvCeF_ogWTfywT0i-2aRhSbXLCaQ0wrDA1X4Y3y1AXRGAJFHiRs4c7XV1G5LPPi5Yc03cKYA7_8_15Zisv-T8btYVa2EZDZ4nh[/img] 就会出现在指令栏的左侧.[br]

通过按[img width=20,height=20]https://lh6.googleusercontent.com/79eR25siyWB1LENNCwQg01YAoFrWTAfPJ13AxtyTq_xlylYb8gocrI0jvkzpXP9NkfI4e69aKPq-yfA8MsdXnjZV5Bl03gAQ-_OqQW9UwTVcz4iZS8B5eYaZI0BXx7Kyc_9zzbIF[/img][i]更多[/i]按钮打开上下文菜单, 以选择下列选项之一:[br][br][img width=20,height=21]https://lh3.googleusercontent.com/z57v-Dxb4wKAG4hWnhNedpVadMZPcaxGCvlZxJI72-2BqWSBWTzzF9FP3D73aLWC4CC3LbuP4ZIhHXv5y44CC43xvUBSsORaZrihELDKL6AFmKCfyfJpALoVso9Mha5i-HBZOt7a[/img]添加标签[br]标记计算结果, 以便将其标签用于其他计算.[br][b]注意:[/b] 如果计算结果或数字已用字母标记, 则可以再次用字母进行其他计算. [br][br][img width=20,height=26]https://lh6.googleusercontent.com/6017Y0pBdQuMh9S8BM7PWTsJJZdHWxfT1rTiO7NYd4meN0NuMtI_IKoduLiVwNapu6YmP3r4_YGuOFdrFrqlSvTLP1rUcE5tHnu2x0-FeviXfes3QNQH8buzxyOMrTHFbIcXH_Df[/img]复制[br]复制指令栏中的计算, 用于下一步的计算或进行更改.[br][br][img width=20,height=25]https://lh5.googleusercontent.com/L58jVsgvuQAjCWcUGAbY_AEQIWc4a1Wz1JNkirDSNXLMUmuyuRPSZL_TKIJzrKjeejfQXy3EhyIJ7E-MPyOqHLuW_Y5mmXw_el4mwrs55YL6UNoXq2mcxBBdNHk8048RQi39Vspm[/img]删除[br]从指令栏中删除计算.

在对分数进行基本算术运算 (×, ÷, +, -) 时, [i]GeoGebra 科学计算器[/i]将结果显示为分数. 通过选择 [img width=27,height=28]https://lh5.googleusercontent.com/h6s9K11aAIEPnRimfwGYsdWYRHo3twju60JFhG6ePhsFYVnqFauXbHTXJkt2I4aQDRkTWY-FJke44R2fJZKY2Y7DmKGzTKGlQeOyG72wh_dzwnsW0XCyDie8AkCTPZt4ZmLqlSRN[/img] 您可看到四舍五入形的小数结果. 选择 [img width=27,height=26]https://lh5.googleusercontent.com/KaHNF3Qv1SocF4hH1jl3i03cNsM4pyJxAbHoiVj61FXyH0To7aHisW8vNynVQvn9Pt3dSAVOQcOArr2PhzW1hWG7Tyq3aPON61yy5noamFT29Mpqdrn-BN9GF0o2ZkldLwtxm2B8[/img] , 答案再次显示为分数.